Exploding stars known as supernovas may have sparked mass extinctions that wiped out up to 85% of animals on Earth.

A new documentary is causing a stir for claiming that we are not alone. “The Age of Disclosure,” which premiered March 9 at SXSW in Austin, Texas, interviews 34 military and intelligence government ...

Led by Curtin University geologists Chris Kirkland and Tim Johnson, a research team unearthed this primeval crater beneath ...

Scientists discovered that methyl halides, a gas produced by microbes, could be a biosignature for life on distant planets.

The study builds on previous research investigating different biosignature gases, including dimethyl sulfide, another ...

A new study reveals that supernova explosions may have caused two mass extinctions on Earth 372 million and 445 million years ...

About 252 million years ago, 80 to 90 percent of life on Earth was wiped out. In the Turpan-Hami Basin, life persisted and ...

A new study suggests glaciers carved metals out from the Earth’s surface 700 million years ago, leading to chemical reactions ...

You may like NASA wants a 'Super-Hubble' space telescope to search for life on alien worlds Boost for alien hunters? Earth life may not be so improbable, study suggests NASA’s OSIRIS-REx mission ...

If venusian clouds contain life, it will be very different than what we know. But terrestrial analogs might still give us ...

Patagonia’s ‘living rocks’ hold ancient bacterial biofilms, offering insights into early life and potential bioengineering ...