The Universe Is Full of ‘Impossible’ Black Holes. Now Scientists Know Why
There are black holes that are too big to be born from the death of a star but aren’t quite…
Cosmic Voids May Contain the Universe’s Best Secrets
Once dismissed as empty expanses between galaxies, cosmic voids are becoming one of the most promising tools for probing the…
Asteroid 2026 JH2 Is About to Fly Right Past Earth—Relatively Speaking
On May 18, an asteroid about the size of Chicago’s Cloud Gate will fly four times closer to Earth than…
NASA’s Curiosity Rover Got Its Drill Stuck on a Rock. Here’s How They Freed It
This is the first time NASA has encountered a situation like this, and it took nearly a week to resolve.
The Pentagon Releases New Trove of Declassified UFO Files
The Defense Department has released a new trove of declassified documents about government UFO sightings.