2025年1月10日 · The enormous near-Earth asteroid (887) Alinda has made its closest approach to our planet in decades, and it's about to peak in brightness in a rare once-in-a-decade event. Here's how to...

2025年1月12日 · Tonight is considered prime viewing time: It will be at peak brightness: magnitude 9.4. But finding it may not be so easy — even under optimal weather conditions, and in a low-light area. You...

2024年12月3日 · A "potentially hazardous" asteroid the size of a football stadium will zoom past our planet in the early hours tomorrow morning (Dec. 4) — and you can watch it live.

2023年3月25日 · The near-Earth asteroid 2023 DZ2 will pass within 107,500 miles (173,000 kilometers) of Earth today (March 25), and you can watch the flyby live online.

Did you ever wonder how NASA spots asteroids that maybe getting too close to Earth for comfort? Watch and learn. Find out more about NASA finds, studies and tracks near-Earth objects by visiting https://www.nasa.gov/planetarydefense.

2024年9月18日 · The 720-foot-wide asteroid known as "2024 ON" is zooming past Earth at 620,000 miles away — close in astronomical terms, but still more than 2.5 times the distance between the Earth and the Moon. If you’ve got a telescope, it is visible from the Northern Hemisphere on Tuesday night and rates as the brightest asteroid since October 2015 .

2024年12月3日 · Asteroids are chunks of rock remaining from the formation of our solar system. This massive space rock, known as 2020 XR, is traveling at about 27,500 miles per hour and will bypass Earth at 12:27...

A building-sized asteroid will coincidentally fly by Earth during September’s supermoon and partial lunar eclipse early Wednesday morning, offering a celestial show full of events, and NASA is ...

2024年1月26日 · Asteroid 2024 BJ, which astronomers detected earlier this month, will zoom within 220,000 miles of Earth tomorrow, or closer to us than the average distance to the moon.

2023年1月27日 · The U.S. space agency said Wednesday that this newly discovered asteroid will zoom 3,600 kilometres above the southern tip of South America. That's 10 times closer than the bevy of...