The upcoming year will offer a blood-red moon, spectacular meteor showers and the first glimpse of the sun’s corona since ...

3I/ATLAS has now made its closest approach to the sun and Earth and is now heading back out toward the outer solar system. On ...

Early Mars seems to have had a protective atmosphere and liquid water in the form of oceans, rivers, and lakes. It may also ...

There could be a ninth planet in our solar system that's lying in wait to be discovered - and no, it's not Pluto. Our solar ...

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

Astronomers using NASA's Hubble Space Telescope have imaged the largest protoplanetary disk ever observed circling a young ...

A colossal Martian volcano defies everything we know about planetary geology. Hidden clues beneath its frozen summit hint at ...

It was almost 100 years ago that Clyde W. Tombaugh discovered Pluto. That was the last planet found until 1992, when humans found another one. But this new planet wasn't in our solar system—it was ...

The giant planets weren't always where we find them today. Jupiter, Saturn, Uranus and Neptune formed in a more compact configuration and later underwent a violent reshuffling that scattered them to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

At the farthest edge of the Sun’s influence, the Voyager probes have stumbled into something that sounds almost mythic: a ...

BepiColombo will arrive in 2026 to uncover the planet Mercury, and unravel how a planet as small, dense, and in such an odd ...