Astronomers have recently started looking for black holes bigger than galaxies. Brian Lacki explains how these “stupendously ...

This new group, which is led by Harvard professor Avi Loeb, aims to advise the Trump administration and the U.S. intelligence ...

A rare visitor from another star system prompted SETI to hunt for alien technology, but the mysterious object appears to be a ...

The “Wow!” signal is one of our best pieces of evidence for aliens, but researchers are building a compelling case for a more ...

Interplanetary travel to Mars aboard nuclear-powered spaceships may sound like science fiction – yet NASA is planning to make ...

In honor of America's 250th birthday, here are 50 must-see American movies that celebrate who we are, who we've been and who ...

From the moment President Donald Trump began his second term, he was determined to upend America’s immigration system. Over ...

NASA officials said Tuesday that they are seriously considering sending the full-scale engineering model of the Perseverance ...

Scientists say moons around rogue planets wandering through the galaxy could remain warm enough for life thanks to tidal heating and hydrogen-rich atmospheres. These dark, starless worlds may have had ...

A new study has revealed an unexpected link between solar storms and the flux of high-energy cosmic rays arriving at Earth.

Nearly a month has passed since the New Glenn rocket exploded on its launch pad in Florida, creating a massive fireball. It ...

In May 2024, auroras were observed at unusually low latitudes across the globe, lighting up skies that rarely see such ...