Halley's Comet only orbits the sun once every 75 years, but each year in early May, the Earth passes through some of the debris that it left behind.

A new scientific study published Monday found that global warming is fueling a destructive algal bloom that is disrupting fisheries in the Arabian sea.

The last supermoon of 2020, May's so-called "Flower Moon," will be visible in the night skies this week, and its brightness will likely obscure the yearly Eta Aquarids meteor shower, according to NASA.

British scientists said Monday that an amino acid swap can help protect wheat crops from rising heat due to global warming.

Damage from a natural disaster in one place can spread globally due to urban trade networks, a Yale study said Monday.

Intensive farming, characterized by the overuse of antibiotics, large numbers of animals and limited genetic diversity, increases the odds of animal pathogens making the jump to humans and triggering an epidemic.

Over the last 40 years, climate change has been influencing where tropical cyclones form, according to a new study.

Scientists in Quebec have developed an artificial tongue that can taste the flavor profiles of maple syrup, researchers revealed in a paper published on Tuesday.

Test results suggest N95 masks can be safely disinfected through heating 50 times before their filtration efficiency begins to decline.

Engineers in China have developed a fossil fuel-free jet propulsion prototype design that uses microwave air plasmas.

As the tropics get wetter, soils are likely experience greater rates of respiration and decomposition, limiting the carbon storage abilities of tropical soils and intensifying global warming.

Scientists have discovered the closest black hole to Earth, located just 1,000 light-years away.

While the coordinated attacks of Velociraptor dinosaurs depicted in the 1993 blockbuster made for compelling movie viewing, a study published this week claims raptors most likely hunted solo, not in packs.

Artificial intelligence requires a lot of energy. Simply solving a puzzle can require the equivalent of the energy produced by three nuclear plants in a single hour.

China produces a whole lot of stuff -- stuff that gets bought by the rest of the world. In 2019, China exported approximately $2.5 trillion dollars worth of goods.

The Cape honey bee, a subspecies found along the southern coast of South Africa, reproduces without having sex. Now, scientists have identified the gene responsible for the bee's virgin births.

Some early ichthyosaurs used rounded, pebble-like teeth to crush the shells of snails and clam-like bivalves, according to new research.

The warty comb jelly is native to the western Atlantic, but in recent decades, it has invaded the waters of Eurasia. New research suggests cannibalism is key to the species' ability to move into new environs.

When it came to selecting bones for leather-making tools, Neanderthals were surprisingly choosy. New archaeological analysis shows Neanderthals preferentially selected bovine rib bones to make a tool called a lissoir.

New research suggests flies that are unable to fly sleep more as they learn to adapt to their disability.

Neurons in the hippocampus categorize what we experience into abstract, discrete events, such as taking a walk versus having lunch

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Researchers studying yellow warbler responses to the parasitic cowbird realized that red-winged blackbirds were eavesdropping on the calls and reacting to them, too.

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New research in mice suggests that a pregnancy hormone contributes to brain and behavioral changes caused by childhood adversity

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Alzheimer’s took my wife’s memory and her life and tortured our family. There was nothing we—or medicine—could do to stop it 

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It is time for a fresh approach to the illness

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Some nominally high-risk individuals may have a lower chance of developing dementia than once thought

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Fresh approaches and hopeful clues in the search for novel therapies

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Originally published in June 1899

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Painted images of intriguing human-animal hybrids are signs of modern thought

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As psychologist Abraham Maslow wrote, “Perhaps human nature has been sold short”

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Cognitive-behavioral therapy improved both symptoms and markers of senescence in people with anxiety

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“Conversational receptiveness” can be learned

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Research into the brain’s protein-disposal systems, electrical activity and three other areas looks promising

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Health journalist Judy Foreman talks about her new book Exercise Is Medicine: How Physical Activity Boosts Health and Slows Aging.

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Resilience and strength can often be attained through unexpected routes

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One conversation could keep your kids safe

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Hero worship alone doesn’t protect frontline clinicians from distress

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Amyloid, the leading target for dementia therapy, faces skepticism after drug failures

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Exercise like walking, swimming, and even dancing have been shown to be good for your memory, but the optimal intensity of that exercise has been unclear... until now

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 The best way to have a good death is to live a good life

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Neither approach is ideal. The best option is to temper your negative emotions by focusing on positive ones

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Horses picked out photographs of their current keepers, and even of former keepers whom they had not seen in months, at a rate much better than chance.

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Being female is a risk factor for Alzheimer’s. Why?

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Rigorous new studies should be able to settle the matter

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They don’t stand on one leg around just anybody but often prefer certain members of the flock.

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What did you get your mother for Mother's Day? Was it beautifully thoughtful, or a rush job you fixed with a few clicks of the mouse and a credit card?

America is awash in secrets and conspiracies. Moviegoers are agog over the 2,000-year-old conspiracy theory in "The Da Vinci Code," which suggests that Jesus may not have died celibate. In a conspiracy exactly one order of magnitude smaller, Brad Meltzer's new novel, "The Book of Fate," tells about...

Melissa Hunfalvay feels Claudio Reyna's pain. Not the pain caused by the sprain in Reyna's knee -- an injury the captain of the defeated U.S. World Cup soccer team sustained last week while conceding a goal in an all-important match against Ghana.

When Warren Buffett announced last week that he will be giving away more than $30 billion to improve health, nutrition and education, people all over America reflected on his remarkable generosity, pondered all the noble things the gift would achieve and asked themselves what they would do if...

Jan Molinell lost $300,000 when Enron collapsed. A former Enron Corp. employee in Florida, Molinell closely followed the trials of Kenneth L. Lay and other Enron executives -- half-fearing that Lay's political ties to the White House would allow him to escape scot-free, and half-wondering whether an...