A viral podcast moment last month reignited speculation about extraterrestrials and prompted President Donald Trump’s commitment to kickstarting the release of government files on flying saucers. But ...

Venus and Saturn will appear close together in the night sky Sunday, March 8. Here's how to see the conjunction from around California.

Looking for molecular evidence of life on other worlds is tricky, but a test based on the reactivity of carbon compounds ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from a European Space Agency orbiter on its way ...

The interstellar comet 3I/ATLAS is leaving our solar system. See new photos from the a European Space Agency orbiter on its ...

NASA’s Curiosity rover has spent roughly six months exploring a geological feature on Mars known as boxwork: a vast network of low rock ridges, about 3–6 feet (1–2 meters) tall, crisscrossing the ...

A computer expert pulled off the 'biggest military computer hack of all time,' breaching NASA's system to find what he said ...

There is a silence in the night sky that has bothered me for as long as I can remember. ” That observation, attributed to ...

Could humanity ever build a home around another star? This episode examines the challenges of surviving on a planet orbiting a volatile red dwarf, where radiation and stellar flares pose constant ...