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 ...

Did ancient sunscreen and sewing needles save humanity? In a nutshell 41,000 years ago, Earth’s magnetic field weakened to ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

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

The discovery was made on a massive exoplanet known as K2-18b that for years has captivated scientists searching for life ...

The extent of the Earth’s boundaries and the beginning of space revealed that no astronauts in the history of spaceflight had ...

Scientists found new evidence that Earth’s crust is peeling underneath the Sierra Nevada in California. The process might be ...

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

Scientists have found carbon residue in Martian rocks, indicating that an ancient carbon cycle existed. It means Mars was ...

New research finds that despite large rivers and seas of liquid methane, Saturn’s moon Titan seems mostly devoid of river deltas, raising new questions about the surface dynamics on this alien world.

The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...