Despite dramatic drops in fumes over cities in Italy, Spain and China it is too early to know if a long-term change has been made in the levels of nitrogen dioxide in quarantined areas.

Retired astronaut Scott Kelly (pictured) spent a total of 520 days on the space station, with his longest mission lasting 340 days from from March 27, 2015 to March 1, 2016.

In his new YouTube video, Mark Rober, 40, sprinkled Glo Germ powder on a third-grade teacher and one of her students to show how germs can spread.

Adult human stem cells have been sent to the International Space Station (ISS) this week to explore how low gravity affects the growth of human tissue.

Appearing on GMB via video link from his home in Houston, Scott Kelly - who spent 520 days on the International Space Station - said that routine is essential while families are on lockdown.

It will be the first manned X-plane produced by NASA in two decades and is designed to help develop standards for future all-electric aircraft.

NASA analyzing data from the Voyager 2's 1986 visit to Uranus and found the magnetic bubble surrounding the planet is allowing bits of its atmosphere to leak into space.

NASA has announced a new research mission that will send small satellites into orbit to study solar particle storms, which can cause geomagnetic storms on Earth and disrupt the electrical grid.

Researchers for the Polytechnic University of Cartagena, Spain, found the urea in urine could be mixed with lunar soil to create a flexible and sustainable 3D printed concrete.

Researchers from the University of Tokyo discovered the single-celled organisms after spending a decade studying rocks found in the South Pacific Ocean in 2010.

In an unprecedented step, NASA tested a giant 21-foot mirror on its James Webb space telescope that is designed to observe a range of frequencies not currently seen by Hubble.

Nasa's Earth Observatory has opened up an archive of pictures of Earth taken from space and is asking the public to vote for the winner in a knock-out-style competition.

NASA astronauts showed off the ISS crew's workout equipment that includes a vacuum system similar to free-weights, a treadmill and a stationary bike without a seat or handlebars.

NASA has released a detailed plan for an 'Artemis Base Camp' that will be home to first woman and next man on the moon in 2024, which will help the crew prepare for the journey to Mars.

Summer Worden is accused of falsely filing complaints against astronaut Anne McClain on two occasions, according to federal authorities.

Funding for the project has come from the NASA Innovative Advanced Concepts (NIAC) Programme, designed to support potentially game changing projects.

Air pollution over the northeast region of the US declined by 30 percent last month compared to March 2019, as millions in the area are forced into lockdown to limit the spread of the coronavirus.

Some conspiracy theorists who believe that 5G is helping to spread the coronavirus, have taken to burning 5G communication towers (pictured). This theory has been spread by a bizarre group.

Nellie had been going 'crazy' for bubbles when the 'fluke' photo was taken in Romford, East London. NASA responded saying: 'That's one small boop for the pup, one giant boop for pupkind.'

The NASA Jet Propulsion Laboratory team continue to explore red planet despite not being able to go into their California office or use high-end workstations.

Kepler-1649c was discovered hidden away in data collected from the Kepler space telescope two years after it was retired by NASA and in seven year old observations.

NASA has finally revealed the name of its Mars 2020 rover. Called Perseverance, the rover's title was picked from a contest that received 28,000 entries from young students.

ESA released satellite images Venice from this month and the same time last year to highlight a distinct lack of boat traffic following the lockdown in March to limit the spread of coronavirus.

NASA and SpaceX set May 27 for when human spaceflight will return to the US. The mission will send two astronauts aboard the Crew Dragon to the ISS for the first time since 2011.

NASA and the ESA have revealed a highly ambitious multi-billion plan to return Martian rock samples to Earth, which would involve three spacecraft, including the former's Mars 2020 rover.

Researchers from NASAs Goddard Space Flight Center found that it must have formed in the outer edges of its original star system - known as Kruger 60.

The lunar map, called the Unified Geologic Map of the Moon, has been created by the United States Geological Survey (USGS), NASA and the Lunar Planetary Institute.

The 'Ventilator Intervention Technology Accessible Locally' (VITAL) device passed a critical test at the Icahn School of Medicine at Mount Sinai in New York on April 21.

Former NASA astronaut Steven Smith, 61, from Arizona, told a new BBC2 documentary that he wrote his family members letters before every mission, telling them he wanted NASA's work to continue.

Tiny 'nanocardboard' aircraft that are powered by light and inspired by corrugated paper cardboard could help NASA collect samples on Mars and discover more of the red planet.

NASA showcased new devices at the White House that will help in the fight against the coronavirus. The project includes a pressure helmet, decontamination system and a ventilator.

Researchers at the University of Washington examined data from two space lasers that were able to make the most precise measurements of the ice sheets to date.

NASA 's Artemis mission has turned into a space race between billionaires, as Jeff Bezos' Blue Origin and Elon Musk's SpaceX have been chosen to develop human landing systems for mission.

Space X's final parachute test passed with flying colors ahead of its launch in May It will be the US's first manned in nearly nine years.

Actor Tom Cruise and Elon Musk's SpaceX are working on a project with NASA to shoot an action film in outer space. The movie would be the first narrative feature film to be shot in outer space.

NASA has confirmed Tom Cruise and Elon Musk's SpaceX are working on a project to shoot a film in outer space on board the International Space Station.

Reddit's moderators who oversee the site's many subreddits say the 'Start Chatting' feature made the process of monitoring content and behavior more opaque and prone to abuse.

The controversial facial recognition company Clearview AI is in negotiations with several unnamed federal agencies and three US states to provide contact tracing services during.

Climate change will make life even harder for agriculture workers in the coming decades, with nearly double the number of days when it will be too hot to safely work outdoors.

The small study focused on six patients with confirmed COVID-19 and that had suffered a stroke caused by the sudden loss of blood circulation to the brain.

Some Chinese auto manufacturers have begun offering new design features they promise will help limit the transmission of bacteria and viruses in their vehicles, including Sars-CoV-2.

Researchers studying a web browser loaded into the company's phones found that it was tracking nearly all of a users' web behavior including visited websites and search queries in Google.

Anne Carter, a canine scientist at Nottingham Trent University and co-author of the study, wants dogs to be trained to walk on a loose lead or in a harness to prevent choking.

A photographer has taken the world's clearest pictures of the moon's craters by combining multiple shots of the lunar line where light meets dark.

The feature is planned for the US, but 'similar markets' will also see the feature introduced, it is believed. Exact timings and locations for its roll-out have not been revealed.

A study from Dutch researchers found chest pain, sweating and shortness of breath are the main three symptoms of a heart attack

The specimens - which included 15 adults, 5 juveniles and two newborns or fetuses - were unearthed from the Tanque Loma site on the county's Santa Elena peninsula.

Professor Sara Seager from the Massachusetts Institute of Technology (MIT) believes astronomers should broaden their horizon's as they scan the cosmos for signs of life.

The hugely influential British artist partnered with snap to allow people to create their own virtual versions of his world-renowned Spin paintings.

Scientists say they've discovered an antibody that blocks infection by SARS-CoV-2, the coronavirus behind the current global health crisis.