Which way is ‘down’ has a different answer depending on where you are on Earth, in the solar system, in our galaxy and beyond ...

For how long can the Earth support complex life before entering an irreversible zone from an environmental perspective?

Live updates from the return of the NASA SpaceX Crew-11 astronauts. Splashdown occurred at 3:41 a.m. Jan. 15 off the coast of ...

In a blow to anyone dreaming that complex life may exist elsewhere in the universe, a new study suggests we're unlikely to ...

What you won’t see, though, are green ones. The reason for this is both a fault in the stars and in ourselves: we don’t see ...

On Jan. 11, 2026, I watched anxiously at the tightly controlled Vandenberg Space Force Base in California as an awe-inspiring ...

Bogong moths are one of the only recorded animals, besides humans, to use the stars for navigation. Read here to learn how ...

New observations from the James Webb Space Telescope have revealed unexpected features in the early universe, including ...

Using JWST's Mid-Infrared Instrument, the scientists honed in on stars, all between one and eight times the mass of the sun, ...

"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if Mars weren't there?" ...

The James Webb Space Telescope has picked up the light from a massive star that exploded about a billion years after the ...

Scientists observing the red giant star R Doradus have found that starlight isn’t strong enough to drive its stellar winds, ...