How far away aliens might detect life on Earth.

If you examine our solar system’s giant planets, you’ll notice right away that they’ve all got moons—a lot of moons. While ...

Scientists might have just found Earth's icy, distant cousin a few hundred million light-years away. HD 137010 b is one of thousands of exoplanets, or planets that orbit other stars, and is ...

Although astronomers have found thousands of exoplanets, the number of confirmed exomoons—and exorings—is still zero. But ...

Are aliens real? The question has animated conspiracy theories for decades and enthralled at least one former president of the United States. In a recent interview, Barack Obama became the first ...

Border encounters dropped dramatically from 249,740 in December 2023 to just 6,472 in December 2025 under Donald Trump's ...

President Donald Trump has promised to declassify top-secret alien files and UFO documents. Here is what the Pentagon has ...

Astronomers used the VLA and MeerKAT radio telescopes to search the Hycean exoplanet K2-18b for alien technosignatures, analyzing millions of signals but finding no confirmed artificial radio transmis ...

Disclosure may not reveal alien visitors, but it will reveal something equally important: how science, measurement and ...

If life ever existed on Mars, it might have looked like microfossils right here on Earth.