Astronomers using the James Webb Space Telescope have discovered that a distant alien planet's atmosphere is surprisingly lopsided. Located 1,300 light-years away, the scorching gas giant WASP-17b ...

A newly discovered baby planet has been identified as the youngest known exoplanet in the galaxy. Approximately one million years old, this unprecedented discovery represents the youngest alien world ...

Confirmation of alien life would answer one enormous question and immediately create dozens more. Humanity’s reaction would ...

The strangest alien worlds ever discovered reveal just how extreme planets beyond our Solar System can become, from nearby ...

This summer, exoplanet science — the study of planets orbiting stars beyond our sun — took a big step forwards. Reports of helium gas escaping from the atmosphere of LHS 1140b propelled this exoplanet ...

South Africa’s MeerKAT telescope has helped astronomers achieve a world first: detecting radio signals directly from a planet ...

Some scientists believe the sheer number of stars, planets and potentially habitable environments in space makes extraterrestrial life plausible. But plausibility is not proof. Despite decades of ...