The Earth stands alone in the solar system as a habitable world, as far as we know. But that doesn’t mean we don’t get visitors, most often in the form of (usually harmless) asteroids. Some even ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?

Analysis by researchers at the University of Bern suggests that water and other volatile compounds arrived on Earth from ...

If you’ve ever wanted to write your name across the stars, now’s your chance. Until Jan. 21, 2026 you can add your name to a ...

In March 1968, the Soviet Union had a partial success with Zond 4. With this launch, they were able to take the spacecraft ...

A coalition of scientists and historians are floating a long-shot plan to retrieve orbiting relics—raising questions about ...

For more than sixty years, a tiny asteroid has been moving in step with Earth, hidden from view until recently. Astronomers ...

Astronomers have made an astounding discovery, finding a new ‘moon’, or quasi-moon, that has been following Earth for over ...

Astronomers have discovered what they think may be another moon orbiting a distant dwarf planet called Quaoar. This small, ...

Everyone who has ever lived on Earth has been well-aware of the moon, but it turns out Earth also has some frequent temporary companions. These "quasi-moons" are small asteroids that enter into a kind ...

The "Pete and Bobby Challenge" is simple: 100 pushups and 50 pullups in under 10 minutes, in any order you deem best. The fitness challenge is named for Defense Secretary Pete Hegseth and Health ...

Astronomers Discover Hidden Moon Orbiting Uranus: JWST detects a hidden 6-mile moon (S/2025 U1), raising Uranus’ total to 29 and shedding light on its complex ring–moon system. The Search for ...