Stars and planets are inextricably linked. They form together and stars shape the fate of planets. Stars create the dusty ...

Grab-and-go missions to asteroids have provided some of the most scientifically valuable samples since the Apollo ...

Some exoplanets, like the one shown in this illustration, may have atmospheres that could make them potentially suitable for life. NASA/JPL-Caltech via AP When astronomers search for planets that ...

How did life begin on Earth? While scientists have theories, they don't yet fully understand the precise chemical steps that ...

A University of Arizona professor is optimistic about finding life on a newly discovered planet located in the Alpha Centauri system, which is the closest solar system to ours. The planet is believed ...

Illustration of a hypothetical planet covered in water. Credit: NASA/JPL-Caltech. April 7, 2025, Mountain View, CA -- What if we spend decades building advanced telescopes to search for life on other ...

NASA’s Mars rover finds organic signals in mudstone that resemble microbial activity, sparking new debate over life on the ...

A giant impact on the early Earth could have brought the building blocks of RNA to our planet, which new research suggests ...

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

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of past or present life linked to biological activity, on an exoplanet named K2 ...

E.T. phone home planet K2-18b. A team of astronomers shared they’ve found what they say is the most promising sign of extraterrestrial life on a massive planet, known as K2-18b, in a solar system 120 ...

R. Hurt (Caltech/IPAC) Just 4.3 light years from Earth lies a star called Alpha Centauri A, which is famous for being the nearest star that resembles our own Sun. In the popular Avatar movies, this ...