Most scientists today agree that at least some water existed on the surface of Mars during the Noachian epoch, roughly 4.1 to 3.7 billion years ago.

"Any claim of life on another planet requires a lot of justification, and I don't think we're there yet, Måns Holmberg, a ...

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 ...

A team of astronomers announced on April 16, 2025, that in the process of studying a planet around another star, they had ...

Researchers have developed a new coronagraph—an optical device that blocks out light from a bright source—that could make it ...

A new study shows TOI-270 d is a fiery rocky exoplanet, offering fresh insight into the galaxy’s most common planet type.

Early on April 25, 2025, a rare triple conjunction of Venus, Saturn, and a crescent Moon will grace the morning sky. This ...

Dr Nikku Madhusudhan's team detects signs of life on exoplanet K2-18b using James Webb Space Telescope, marking a historic ...

NASA’s Lucy will venture as close as 596 miles to this asteroid, an estimated 2½ miles in length but much shorter in width. Scientists should have a better idea of its size and shape following the ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But not everyone agrees that it signals life.

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

A bold geochemical model reveals that TOI‑270 d, a sub‑Neptune 73 light‑years away, is likely a giant rocky world cloaked in ...