A mysterious cosmic explosion linked to gravitational waves may reveal a previously unknown type of supernova event - a ...

NASA's SPHEREx space telescope detected organic molecules coming off comet 3I/ATLAS as the interstellar visitor made its closest approach to Earth in December.

A neutron star’s teaspoon of material would weigh billions of tons. Venus rotates backwards compared to most planets. Space smells like seared steak, according to astronauts. There are more trees on ...

The first solar eclipse of the year is almost here, but very few people will see it. Tuesday’s annular solar eclipse, known ...

As more satellite megaconstellations continue to be launched, researchers are exploring the odds people could be struck by ...

The Sun’s Biggest Outburst in Decades Has Scientists on Edge ...

In my January 23, 2026, “The Universe” column, I wrote about some of the biggest bangs the universe has to offer: exploding stars, hiccupping magnetars, stellar disruptions and colliding black holes.

Comet Wierzchoś, also known as C/2024 E1, is rapidly brightening as it approaches its closest point to Earth next week. But experts predict it will eventually be thrown out of the solar system forever ...

The Sun is now at the most active point in its roughly 11‑year solar cycle, and scientists say the current peak has arrived earlier and more forcefully than first expected. As activity climbs, ...