Asteroid 2024 DW flew about 139,000 miles (224,000 km) away from Earth. The space rock was estimated to be about 43 feet wide ...

New photos show off NASA's newly constructed Roman Space Telescope, which will soon help researchers unravel the mysteries of ...

A skyscraper-sized asteroid spinning every 113 seconds has stunned scientists, hinting at unexpected strength inside ancient ...

Scientists discover asteroid spinning once every 1.88 minutes—the fastest rotation ever found for a large space rock. Five ...

For a long time, the prevailing theory was that dinosaurs were already in decline before the Chicxulub asteroid struck Earth approximately 66 million years ago, leading to the extinction of about 70% ...

Russia has heaped praise on its new S-500 missile system, but it is still unclear if it can actually build the systems in meaningful numbers. Boasting about military capabilities is something that ...

View of the Ava Bridge near Sagaing, Myanmar, which collapsed during the March 2025 magnitude 7.7 earthquake. The bridge was built in 1934 and was the only bridge across the Irrawaddy River for more ...

This week, Earth will get its best chance to steady an interstellar comet as it makes its closest approach to the planet. Comet 3I/ATLAS will get closest to Earth on Dec. 19, and anyone can get a ...

NASA is monitoring an asteroid that's hurtling towards the Earth at more than 33,000 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). Designated “2025 XN4, ...

Tracking comets accurately is hard. A new effort with the U.N. and NASA aims to better chart these visitors using 3I/ATLAS. When you purchase through links on our site, we may earn an affiliate ...

This December's dazzling display comes from a strange asteroid with comet-like behavior—and a tail of debris that astronomers say shouldn’t exist. Hundreds of Geminid meteors blaze across the night ...

NASA is monitoring a bus-sized asteroid that’s soaring towards Earth at nearly 8,000 miles per hour, according to the space agency's Center for Near Earth Object Studies (CNEOS). Estimated to measure ...