Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

That means if aliens were to exist, and they were located some 66 million light-years from Earth, they’d theoretically still ...

New Scans of a Martian Meteorite That Landed on Earth Strengthen ‘Alien Life’ Claims ...

Steven Spielberg has made some of the best alien films in cinema history, and ahead of Disclosure Day, he's confirmed that he believes we are not alone.

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...

New SETI research suggests space weather like solar winds could be interfering with alien radio signals, making them harder ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of ...

In September, NASA announced the discovery of a possible sign of life, known as a potential biosignature, on Mars. The Perseverance rover, which has been exploring a dried-up lakebed for years, found ...

The afternoon of 7 August 1996 isn’t a time that sticks in many people’s minds. But if things had worked out differently, it might have been etched into our collective memory. At 1.15pm, US President ...