Magician Roy Horn, who alongside Siegfried Fischbacher starred in a popular, long-running Las Vegas act built around rare tigers, died on Friday from of complications of COVID-19, the Las Vegas Review-Journal newspaper reported. He was 75.

The outbreak has ravaged the economy of the oil-producing country and overwhelmed sanitary authorities in the largest city of Guayaquil, where corpses remained in homes or for hours on the streets.

Stocks moved higher in Thursdays trading session; Retail sales fell for the third straight month; Houshold net worth hit a new record. Bobbi Rebell reports.

Central Japan Railways says its magnetically levitating train has broken its previous world speed record in a test-run at a special track West of Tokyo. Rob Muir reports.

Frustrated Southwest Airlines customers have been forced to wait in long lines for a second day as the airline tries to solve a technical problem with its electronic booking system. In the meantime, passengers are being told to prepare for delays. Katharine Jackson reports.

A non-profit organization brings dogs to the Buffalo/Niagra airport to help relieve the stress of holiday traveling. Diane Hodges reports.

Dr. Anthony Fauci, director of the National Institute for Allergy and Infectious Disease, says all of the Zika infections in the United States were contracted outside the country. Rough Cut (no reporter narration)

Amsterdam's Schiphol Airport was closed briefly as police investigated a suspicious situation. Julie Noce reports.

The 25 biggest hedge fund earners took home a combined $13 billion last year, despite mediocre returns.

The chief executive of United Airlines sat down before a House panel on Tuesday to testify about the forced removal on April 9 of a passenger from a Chicago flight, an incident that drew international condemnation.

Health workers face a growing tide of hostility in Brazil for potentially spreading COVID-19.

U.S. Vice President Mike Pence's press secretary, the wife of one of President Donald Trump's senior advisors, has tested positive for the coronavirus, the second White House staffer to be diagnosed with the illness. This report produced by Chris Dignam.

Russia marked 75 years since the Soviet victory over Nazi Germany in World War Two on Saturday, but the coronavirus outbreak forced it to scale back celebrations. Olivia Chan reports.

Rocks from a 3.2-billion-year-old formation in Australia show changes in the direction of their magnetism over time that suggest plate tectonics started earlier than we thought

A cheap, lightweight smartphone-heated device can test for DNA in blood, urine and other samples in a fraction of the time it takes to test in a lab

A long-standing hypothesis suggests the BCG vaccine also serves to generally enhance the immune system, meaning it could protect against covid-19, and trials are under way to find out

Bamboo is a renewable material that when microwaved becomes stronger by weight than steel or concrete – which could make it ideal for constructing buildings, cars and planes

Black paint usually absorbs heat, but a new two-layer polymer paint reflects infrared light and keeps objects 16°C cooler, which could help make buildings more energy efficient

Srinivisa Ramanujan’s ideas seemed to come from a parallel universe and mathematicians are still getting to grips with them today, say Ken Ono and Robert Schneider

A podcast called Science Diction looks at the stories behind scientific terms and phrases. Each episode is short and nicely put together, says David Silverberg

The membership of the UK's Scientific Advisory Group for Emergencies has so far been kept secret, but a list of names will soon be published, the UK's chief scientific adviser has said

In a small trial, implanting electrodes into the brain helped women with severe anorexia gain weight and feel less anxious and depressed

The Pine Island glacier has three tipping points that could lead to the collapse of the entire West Antarctic ice sheet, potentially raising sea levels by 3 metres over centuries

Robots made of 3D-printed muscle and rat spines could help us understand conditions like motor neurone disease and the technique may eventually be used to build prosthetic devices

The ongoing spread of bluetongue virus among European farm animals may have started when a cow was inseminated with infected bull semen stored from an earlier outbreak

A well-preserved fossilised tail from Spinosaurus suggests this massive dinosaur may have been able to propel itself and hunt for prey in the water

Looking at how many more people are dying than usual gives an idea of the coronavirus pandemic’s true effect – and suggests a far higher death toll in many countries

A robot that uses artificial intelligence to find and remove weeds could eventually be used as an alternative to chemical insecticides

We are already seeing the pandemic's effects on mental health, and we need to act urgently to avoid a full-blown crisis, says Sam Howells  

Over half the world’s wild tigers now live 5 kilometres from a road, and infrastructure projects planned in Asia could fragment their habitat further

A number of studies have found a link between air pollution and increased covid-19 deaths, but it isn't clear why. Both attack the lungs, but it could just be that more people live in polluted areas

Getting your wok scorching hot and preparing your ingredients in advance is the best way to make a tasty stir-fry, says Sam Wong

The UK government has refused to say how many covid-19 contact tracers it has employed, with less than three weeks to go until its target of recruiting 18,000 of them by mid-May

Can you really be addicted to your smartphone? Daria Kuss has shown that it is only a problem for a small number of people - and she knows how to help

The remains of three slaves found in Mexico contain the earliest signs of the hepatitis B virus and yaws bacteria in the Americas, suggesting transatlantic slavery introduced these diseases

Healthcare systems need to prepare for the extensive physiotherapy and mental rehabilitation that people put on ventilators for covid-19 will need as they recover

NASA has awarded $967 million to three space flight companies – Blue Origin, Dynetics and SpaceX – to build lunar landers that will be part of the Artemis programme to send humans to the moon by 2024

The Tully Monster is a famously odd 300-million-year-old fossil that looks like an alien, but a new analysis suggests it was a backboned animal like a hagfish or lamprey

Weird blasts of radio waves from space called fast radio bursts have been baffling astronomers since they were discovered, but after finding one in our galaxy we may finally know what creates them

SpaceX’s first crewed launch is planned for 27 May and will be run from a mission control with desks set six feet apart to comply with social distancing protocols

A fresh look at the world’s oldest religious texts suggests ancient Egyptians saw the sky as a water-filled iron container from which chunks fell to Earth as meteorites

People with rheumatoid arthritis often take medicines that can have damaging side-effects, but a system that uses red light to deliver drugs exactly where they are needed could help

China just tested its biggest rocket yet, along with a new capsule designed to carry humans to its planned space station, the moon and beyond

We’ve found a 200-metre cliff in Mars's Hellas basin, the first evidence of a river that flowed on the planet for more than 100,000 years

Astronomers found a star that appeared to be orbiting nothing at all – but it’s actually the closest black hole ever at just 1000 light years away

Amid the global coronavirus outbreak, a second epidemic of preliminary, unverified and misinterpreted research has broken out. Can it be fixed?

A small increase in water temperature near a Japanese nuclear power plant allowed tropical fish to colonise the area, suggesting global warming will drastically alter some marine ecosystems

The leading hypothesis for how the moon formed involves a collision between a Mars-sized object and Earth that would have boiled away elements like carbon, making its discovery on the moon a mystery

Many ancient monuments are claimed to be aligned to celestial phenomena, but we now have the first statistical evidence this is the case for the Egyptian pyramids

Making butter at home the traditional way is easy and the result is far more flavourful than the shop-bought version, says Sam Wong