Another plane-sized space rock, known as the "2025 DY5" and measuring about 92 feet across, will zip past our planet this ...

YR4, which orbits the sun every four years and periodically crosses Earth's orbit. The nature of its orbit makes it a ...

This is the fourth comet Gröller has discovered, but given its extraordinary distance, it was the most exciting find, he says ...

A White House science advisor recently war-gamed with space agency heads worldwide to devise a planet-saving defense to an ...

In short, asteroid 2024 YR4 went from breaking records for known threatening asteroids to being a near-zero threat. At some ...

A privately built spacecraft is tumbling aimlessly in deep space, with little hope of being able to contact its home planet.

Astronomers believe thousands of large undiscovered asteroids, that could cause regional damage, may be in space.

Once, a very long time ago, a massive asteroid hit the Earth and wiped out the dinosaurs. In addition to functionally ...

New information is pushing Asteroid 2024 YR4 off of our front pages. Initial estimates gave it a 2.8% chance of striking ...

A new study suggests that ... ESO Observations Help Almost Fully Rule out 2024 YR4 Asteroid Impact Feb. 25, 2025 — New observations of 2024 YR4 conducted with the European Southern Observatory's ...

Countless asteroids in our solar system, some close, some far — but did you know that some of these space rocks have names?

The space rock, which measures 150 feet across and is traveling at 38,922 miles per hour, is one of five on NASA's radar.