NASA has confirmed its MAVEN spacecraft is officially dead after losing contact with the probe in December. An anomaly in the probe's rotation speed led to an unexpected loss of power, though the exact cause remains unknown.

An arthritis drug reduces the amount of RSV in human respiratory cells, but experts say it's too early to say if it will actually treat the common infection.

Our telescope expert chose the Celestron NexStar 8SE as our best overall telescope, and now, with $200 off, it makes this versatile telescope excellent value for money ahead of Prime Day.

How does this third-party lens compare to the native Sony equivalent? We tested both to see whether it’s worth going native or whether you should save your money.

A case of a boy who bled from his eyes eventually led doctors to a diagnosis that has been reported fewer than 50 times in the medical literature.

Scientists accidentally discover magnetic fields around 7 distant planets

A new study cultivated four strains of cold-adapted yeasts that had colonized Ötzi's body shortly after his death 5,300 years ago in the Alps.

Physicists used quantum bits to achieve "perfect randomness" in a world-first experiment. The results of their research could strengthen cryptography and other security systems.

China's Long March 12B rocket has blasted off on its maiden voyage carrying more Qianfan "Thousand Sails" satellites, during a surprise launch for which there were reportedly no airspace notices.

Sigma’s 60-600mm Sport lens is one of the most versatile wildlife lenses around, but can its huge zoom range outweigh the heavy design?

Over a century after a red-lined cave wall was discovered, scientists have determined that it represents the U.K.'s oldest rock art.

Animal trials took place across Europe from the Late Middle Ages until the end of the 18th century. In this excerpt from "Cats: A History", Rod Phillips explores this strange practice, and looks why cats appear to have been largely law-abiding.

A 2015 astronaut photo shows dark-orange water that appears to bleed across the bright-white floor of a high-altitude salt lake in the Bolivian Andes.

NASA shared an initial analysis of a 5-foot-wide fireball meteor that exploded in the sky over the northeastern U.S. on Saturday, May 30.

A new lab experiment is testing plasma jets as a water-free solution for "space laundry" on future missions to the moon and Mars.

A genomic study of Greenland sharks, thought to be the longest-lived vertebrates on the planet, is hinting at the secrets to their epic lifespan and cancer resistance.

Amateur male soccer players had greater changes in certain blood markers associated with neural damage the harder and more frequently they headed balls.

The Euphrates River fueled the "cradle of civilization," and a new study reveals the waterway was born of two other ancient rivers around 3.6 million years ago.

The Gessel gold hoard is among the largest treasures ever discovered in prehistoric Europe but has only three pieces of jewelry in it.

In the book "Bitter Honey," writer and researcher Jennie Durant explores how industrial agriculture is destroying bees — and what can be done to stop them.