The exoplanet K2-18b could harbor a massive ocean, but scientists will need to study the planet more to see if it’s really ...

A team of astronomers claims to have sniffed out a “biosignature” in the atmosphere of a distant planet called K2-18b. But ...

During a brief but dramatic chapter in Earth's history about 41,000 years ago, the planet’s magnetic field nearly collapsed.

The ultimate purpose of PUNCH is to use its four instruments — three wide-field imagers (WFI) and a near-field imager (NFI) — ...

Venus, Saturn and the moon will form a triple conjunction, appearing to look like a smiley face in a sky. Here's how and when ...

NASA's Curiosity rover landed on Mars on Aug. 5, 2012, and has travelled more than 34 kilometres on the Martian surface. The discovery of carbonate suggests that the atmosphere contained enough carbon ...

Observations by the James Webb space telescope find possible biological activity on a giant planet 124 light-years from Earth ...

That exoplanet is 124 light-years away in the Leo constellation. It's described as much larger than Earth but smaller than ...

Scientists have discovered there's a very high chance of life on a planet that sits 700 trillion miles away from Earth.

A team of astronomers have detected what they call the most promising signs to date of a possible biosignature, or signs of ...

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent ...

In a potential breakthrough in the search for alien life, a team of international researchers has identified chemical ...