Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party some 120 light-years away.

Webb Space Telescope reveals a surprisingly clear atmosphere on planet TOI-421 b, helping scientists understand the evolution ...

In April, scientists captured global attention by announcing they’d found a molecule in a faraway planet’s atmosphere that could signal life there. But a new analysis by University of Chicago ...

Astronomers have captured visible auroras dazzling the skies above Mars — and they're unlike anything we can see on Earth.

"If the ultimate result of this story is that the public is more circumspect about future claims of life detection, that's ...

A recent study published using data collected by the James Webb Space Telescope (JWST) has reported the most detailed study of the atmosphere of a planet beyond the Solar System yet, including ...

"It took three unsuccessful attempts before we got it right, but when we did, it appeared exactly as we had imagined it; as a ...

The fifth planet from the sun, Jupiter is what watercolor dreams are made of. Vibrant bands of clouds ripple around its thick atmosphere, making up a world so large that more than 1,300 Earths ...

NASA's Perseverance rover recently took the first ever photos of the aurora borealis on Mars from the surface of the planet.

The Biomass satellite will measure the trunks, branches and stems of the trees that populate the planet's forests. ESA says these measurements will serve as a proxy for determining carbon storage, ...

NASA has revealed that astronauts, cosmonauts and tourists may not have left Earth's atmosphere, fueling conspiracies and ...