Exoplanets come up a lot these days, usually in headlines about distant stars, strange atmospheres, or the possibility of ...

What planet is most like Earth? Reseachers have identified several exoplanets similar to our planet, but none that are an ...

Is there life out there among the stars? No one knows for sure, but we're constantly finding new exoplanets that have some potential to harbor life. Astronomers don't currently have the technology to ...

An illustration shows what exoplanet K2-18b might look like based on data from NASA's James Webb Space Telescope. K2-18b is 8.6 times as massive as Earth, orbits the cool dwarf star K2-18 in the ...

The first sign of possible extraterrestrials detected in the cosmos didn't come in the form of little green aliens flying around in saucer-shaped spacecraft. In fact, the life that could be – emphasis ...

The planets have been nicknamed Earth's seven sisters. — -- An international team of astronomers has discovered seven potentially habitable exoplanets — or planets outside our solar system — that ...

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

Could there be life on planets outside our solar system? For astrophysicists, it’s a big unanswered question, and one that AI technology can help investigate. Abigail Pocasangre & Julia Ross The ...

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

A recent study of an exoplanet 120 light-years away revealed it has elements that are believed to be essential in the formation of life. NASA studied K2-18 b, an exoplanet 8.6 times as massive as ...

If nonliving materials can produce rich, organized mixtures of organic molecules, then the traditional signs we use to ...

The first Earth-size planet orbiting a star in the “habitable zone” — the range of distance from a star where liquid water might pool on the surface of an orbiting planet. What if humanity's search ...