Visit ancient Mars—a surprisingly temperate planet where snow or rain falls from the sky, and rivers rush down valleys to ...

Scientists found complex volcanic rocks in Jezero Crater, hinting at ancient Mars life and geological history potential.

K2-18b, an exoplanet 120 light-years away, may be the best hope to confirm that life exists beyond Earth. Here's what to know ...

The surface of Mars is extremely cold, irradiated, and desiccated. But at one time, the planet was much warmer and wetter, ...

A team of scientists has uncovered new details about Mars’ Jezero Crater using the Perseverance rover's cutting-edge ...

Tutolo led a new study of rock samples collected by the Curiosity rover that might have answered this question. The mystery ...

Mars Express captures images of Acheron Fossae, revealing the Red Planet’s split terrain—ancient cratered highlands and ...

A distant ocean-covered world, teeming with life. That's the most likely explanation for a new discovery made by scientists ...

The peer-reviewed report in the Astrophysical Journal Letters presents more questions than answers, acknowledges numerous ...

Apr. 16, 2025 — Astronomers have found a planet that orbits at an angle of 90 degrees around a rare pair of peculiar stars. This is the first time we have strong evidence for one of these 'polar ...

Mars is back on the agenda. During his address to a joint session of Congress in March, President Donald Trump said the ...

Researchers bombarded lichens with a year's worth of Martian radiation in just 5 hours — and they survived, hinting that the ...