A Source of Mysterious Repeating Radio Signals From Space Has Been Identified
Researchers say the discovery could be a “Rosetta stone” for cosmic signals.
Why Real-Life Disclosure Day Will Look Nothing Like Steven Spielberg’s New Movie
Previous landmark scientific discoveries like the Higgs boson provide a better template for what it will take to confirm whether aliens have made contact with Earth.
The Moons of Uranus May Hold the Key to Finding Missing Planets
New simulations reveal that the moons of Uranus may retain traces of giant planets.
Blue Origin Rocket Explodes in Fiery Setback
The detonation of the New Glenn rocket resulted in a huge fireball in Florida, and may have long-term implications for the company's ambitions.
NASA Details Its Plan to Build a Lunar Base at the Moon’s South Pole
The project’s first mission could arrive as soon as this year, with a little help from Blue Origin.
A Probe Took Incredible Pictures of Mars on Its Way to a Far-Off Asteroid
NASA took advantage of the recent close approach of the Psyche probe to Mars to calibrate its observation instruments.
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 supermassive either. There’s finally evidence for where those came from.
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 universe’s biggest mysteries.
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 the moon.
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.