Earth" that is located about 154 light-years away and is nearly twice as big and four times as massive as our planet.

NASA’s Perseverance Rover continues to revolutionize our understanding of Mars with groundbreaking discoveries that are as ...

NASA has confirmed the discovery of an Earth-sized planet parked right in the “habitable zone” of a distant red dwarf star.

However, light that leaves our star also contains UVC radiation, which has a shorter wavelength than UVA or UVB light and ...

Aliens have been one of the most enduring elements of science fiction. Sometimes they’re terrifying, sometimes they’re wise, ...

Beyond our solar system, countless alien worlds of lava, ice, water and noxious gas swirl through the cosmos. Here are some of the strangest exoplanets that scientists have discovered so far.

The search for life beyond Earth is a holy grail quest for many experts, but finding where to look is a core issue.

Titan, Saturn's largest moon, could harbor life in its hidden underground ocean – yet Titan's entire aquatic biosphere may ...

In April, scientists announced that they had used NASA’s James Webb Space Telescope to find a potential signature of alien ...

The Atmospheric Remote-sensing Infrared Exoplanet Large-survey (Ariel) telescope is to launch in 2029 and spend years ...

Read on to discover incredible places that look like they belong on another planet... The dramatic Tianzi Mountains are ...

The James Webb Space Telescope has discovered an exoplanet using the direct-imaging technique. The host star's light was ...