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

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...

Using JWST, scientists discovered PSR J2322-2650b — a carbon-rich, lemon-shaped exoplanet orbiting a pulsar — challenging ...

The exoplanet, dubbed PSR J2322-2650 b, has a helium-and-carbon atmosphere, something researchers say they've never seen ...

A mysterious interstellar comet known as 3I/ATLAS is about to make its closest approach to Earth in December 2025. Here's ...

Did NASA discover city lights on an alien planet? This video explores the implications and details of the findings that ...

NASA ’s James Webb Space Telescope has found the strongest evidence yet that a small, rocky planet outside our solar system has air, even though it orbits precariously close to its star.

Three decades ago, in 1995, humankind discovered the first planet beyond the borders of our solar system. It's called 51 Pegasi b, and it spins around its main-sequence star (meaning not unlike our ...

NASA Planetary Protection Officer Lisa Pratt is worried about Elon Musk having sent a Roadster into orbit.