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.

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

YR4 tracked by NASA scientists was discovered in its orbit. Initial calculations projected a very low chance of hitting Earth ...

NASA is tracking a bus-sized asteroid zipping past the Earth at nearly 16,000 miles per hour today. The asteroid, known as ...

Although YR4 no longer poses a threat, it’s increasingly clear that Earth inhabits a dangerous neighborhood. Keeping out of ...

For a brief window, Asteroid 2024 YR4 looked like a planetary hazard in the making. At up to 90 meters (295 feet) in diameter, it was described as a potential “city killer.” On its estimated ...

Editorial written by Bloomberg Opinion Board. For a brief window, Asteroid 2024 YR4 looked like a planetary hazard in the making. At up to 90 meters (295 feet) in diameter, it was described as a ...

NASA has significantly lowered the risk of asteroid 2024 YR4 hitting the Earth in 2032 through recent calculations. The moon ...

A day later, however, NASA shared that mission operators had lost communication with the spacecraft in the wee hours of ...

Elon Musk has insisted it is essentially a matter of life and death that we find somewhere off Earth to colonize.

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