A small asteroid spotted only hours before it struck the atmosphere has become a touchstone for how fragile, and how powerful ...

See asteroid Dimorphous, pre- and post-impact, in this time-lapse of Hubble Space Telescope imagery. The space rock was ...

(CNN) — The Ursid meteor shower, which marks the final celestial event of the year, will peak between Sunday night and early Monday morning. Sky-gazers can expect to see five to 10 meteors per hour ...

Some may eject huge plumes, while others could absorb the impact with less effect. “Every time we interact with an asteroid, we find something that surprises us, so there’s a lot more work to do,” ...

The range of possible locations – represented by yellow points – of 2024 YR4 on Dec. 22, 2032. The range decreased from April to June as we gained more data and improved our certainty of the ...

A piece of space debris is the focus of the closest attention of astronomers worldwide as scientists evaluate a rare, but very dramatic, option. A col.