Life has colonised all the niches on the planet that are available. Currently, the whole of the surface and certain places ...

New method reveals chemical signs of early microbial life in ancient Earth rocks, showing photosynthesis evolved much earlier than believed.

Using NASA's James Webb Space Telescope (JWST), researchers have found signs of what could finally settle the age-old question: Are we alone in the universe? Nearly 124 light years away from Earth, on ...

Have you ever played hide-and-seek in a new place? It’s much harder than playing at home. You only know the obvious hiding spots: under the bed, in the closet, behind the couch. The trick is trying to ...

For four years, NASA’s Perseverance rover has searched for possible signs of ancient life on the surface of Mars. It has found myriad interesting features in its travels, including a rock with strange ...

To observers from outer space, Earth's vast oceans and verdant landmasses make it appear as a blue world punctuated by green ecosystems. It's the only habitable world we humans have ever known, so of ...

Astronomers say they’ve spotted a possible sign of life in the atmosphere of K2-18b, an exoplanet 124 light-years away, using NASA’s James Webb Space Telescope. As detailed in a new paper published in ...

Why do astronomers look for signs of life on other planets based on how life is on Earth? Couldn’t there be totally different kinds of life on other planets? – Henry, age 13, Somerville, Massachusetts ...