From mudstones on Mars to strange gases in exoplanet atmospheres, tentative evidence for extraterrestrial life is starting to ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

A new study referencing a past NASA Cassini observation found the presence of 'slushy tunnels' in Saturn's largest moon Titan ...

Polling shows that nearly half of Americans now believe aliens have visited this planet—and that the number who aren't sure ...

Europa has a vast, saltwater ocean beneath its icy shell, with more than twice the amount of water in all of Earth’s oceans ...

Scientists used the 100-metre Green Bank Telescope to look for alien signals but detected no radio signals from 3I/ATLAS.

3I/ATLAS came within 168 million miles of Earth around midnight CST Friday. While that might seem pretty far away, the ...

Fresh orbital images and new geological analysis have revealed eight mysterious caves on Mars that appear unusually well ...

One hundred twenty light-years from us, there is an exoplanet that can potentially host life. It's called K2-18b, and it's ...

An international team of researchers pointed the largest single-dish radio telescope in the world at 3I/ATLAS.

In the many decades of NASA exploration, there has only been one detection that got on that scale. It was collected by the ...