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

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

A stunning new NASA-backed study reveals that Ceres, a dwarf planet between Mars and Jupiter, may have had the right ingredients to support microbial alien life. With underground saltwater oceans, ...

As the comet heads toward its closest pass by Earth, a team led by NASA astrochemist Martin Cordiner used the Atacama Large Millimeter Array (ALMA) in Chile to study the gases streaming off its ...

Physicist Brian Cox says he’s disappointed to see people focus on alien theories when discussing 3I/ATLAS, which he notes is older than Earth ...

A group of researchers say it's time for academia to get serious about studying UFOs. The movement, championed by the Society for UAP Studies, is wrapping up an international conference aimed at ...

The comet 3I/ATLAS is taking a long holiday journey this year. It's visiting from another solar system altogether. It's the third interstellar object recorded passing through our solar system.

The Dark Forest theory is one proposed solution to the famed Fermi Paradox, which has bewitched astronomers for more than half a century. To put it concisely, the paradox asks if the cosmos is nearly ...