A team of scientists said Wednesday they had developed a male oral contraceptive that was 99 percent effective in mice and didn't cause observable side effects, with the drug expected to enter human trials by the end of this year.

An alarming wake-up call.

Scientists have confirmed the speed of sound on Mars, using equipment on the Perseverance rover to study the red planet's atmosphere, which is very different to Earth's.  

Many of us have plastic dust flowing through our veins.

There was a time when our Universe was nothing but an opaque, lightless sea of swirling gas.

An Antarctic ice shelf larger than New York City – in an area previously thought to be stable – has collapsed.

With a fortuitous lineup of a massive cluster of galaxies, astronomers discovered a single star across most of the entire observable Universe. This is the farthest detection of a single star ever. The ...

A type of ultraviolet light called Far-UVC could dramatically change how we combat the transmission of airborne pathogens in indoor environments, scientists report in a new study.

In a new study, researchers at the University of Bonn’s Institute of Zoology examined the numerical understanding of cichlids and stingrays regarding addition and subtraction abilities within the number space of one to five.

Volcanic activity beneath the surface of Mars could be responsible for triggering repetitive Marsquakes, which are similar to earthquakes, in a specific region of the Red Planet, researchers from The ...

Spider webs are essential for capturing food – but they might also be used as giant hearing aids for the arachnids that spin them, according to new research. 

An exoplanet a whopping 17,000 light-years from Earth has been found hiding in data collected by the now-retired Kepler Space Telescope.

A systematic review of sleep data from more than 100,000 people in the United Kingdom has revealed 16 distinct ways we snooze. The clusters could one day allow experts to better diagnose insomnia and preinsomnia in individuals.

After a decade of meticulous measurements, scientists announced Thursday that a fundamental particle – the W boson – has a significantly greater mass than theorized, shaking the foundations of our understanding of how the Universe works.

An exoplanet some 1,360 light-years away is so close to its star, its clouds consist of vaporized rock.

Dark matter, the elusive substance that accounts for the majority of the mass in the Universe, may be made up of massive particles called gravitons that first popped into existence in the first moment after the Big Bang.

The first fully private mission reached the International Space Station early Saturday with a four-member crew from startup company Axiom Space.

An unprecedented analysis of changes in the temperature of Neptune has revealed something rather strange taking place at the most distant planet in our Solar System.

At simultaneous press conferences around the world, including at a National Science Foundation-sponsored press conference at the U.S. National Press Club in Washington, D.C., astronomers have unveiled ...

All four science instruments on NASA's James Webb Space Telescope have achieved "perfect alignment" in advance of the telescope's official debut this summer, project officials said in a news teleconference on Monday (May 9).

Paleolithic cuisine was anything but lean and green, according to a 2021 study on the diets of our Pleistocene ancestors. For a good 2 million years, Homo sapiens and their ancestors ditched the salad and dined heavily on meat, putting them at the