Titan, Saturn's largest moon, is home to vast lakes and seas - not of water, but of liquid methane and ethane. In this video, ...

The strangely shaped object - snapped by NASA's Opportunity rover - has resurfaced and reignited wild theories about little green men on the Red Planet ...

On a clear night, the sky may seem peaceful and empty. Yet beyond the stars visible to our eyes lies a universe so vast that it is difficult to imagine. Our gal ...

A polarizing Harvard astronomer known for splashy theories about alien visits has been tapped by the Trump administration to ...

Avi Loeb vows to brief public and create website to share findings of team tasked with investigating origins of mysterious ...

Put aside any notions you have about humans finding a place to live or looking for aliens and exoplanet astronomy is still ...

Harvard astrophysicist Avi Loeb argues 3I/ATLAS and other interstellar objects may hint at alien technology, drawing fame, ...

Moon bases, living to 100 and (finally!) flying cars. What 2076 and our future will look like may be stranger than we expect.

For the first time, NASA's TESS (Transiting Exoplanet Survey Satellite) mission has identified a planet orbiting a distant star thanks to its warping of space-time. Unlike the star-hugging transiting ...

A gas giant planet called WD 1856b, orbiting the burned-out core of a dead, sun-like star. And in a new study published today in Nature, researchers report an even wilder discovery: Not only is WD ...

Avi Loeb is leading a new Science Advisory Council tasked with finding the origin of unidentified objects spotted by military pilots and others. It's part of a broader White House effort studying ...

Harvard astronomer Avi Loeb, famed and criticized for alien theories, will lead a Trump-era outside science team probing UAP ...