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

From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

Imagine a planet orbiting the largest known star, Stevenson 218. This video explores the tantalizing scientific possibility ...

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

A new wave of space data could expose alien life closer than anyone imagined. These nearby planets are under intense scrutiny.

It’s one of humanity’s oldest and biggest questions: are we alone in the universe? According to one of Britain’s leading ...

A new computational model suggests that Uranus' and Neptune's cores may be less icy than their "ice giant" nickname suggests.

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

The Terra Hunting Experiment will track the wobbles of dozens of stars nightly for years in the most focused hunt yet for an ...

Scientists suggest the first alien signal we detect could be a desperate cry for help from a fading civilization.

Hidden within Cassiopeia A, the youngest known exploded star in our galaxy, astronomers have found surprisingly high levels of chlorine and potassium. These elements carry an odd number of protons in ...

The Kepler-22b reveal flips the storyline of the series. What started as a story about Earth going through a bizarre ...