In the distant past, the solar system was rife with impacts and collisions. Millions of rocky objects zoomed chaotically ...

Earth asteroid that had been hidden in the sun’s glare, marking a significant advancement in planetary defense. This ...

According to NASA, "Asteroid 2024 YR4 is now too far away to observe with either space or ground-based telescopes. The space ...

Astronomers discover 2025 SC79, the solar system's second-fastest asteroid, hiding in the Sun's glare. Learn why these ...

There are many programs that detect near-Earth asteroids as part of countries' planetary defense strategies. In the case of ...

A small asteroid, known as 2025 TF, flew over Antarctica on October 1, 2025, at an altitude of only 266 miles.

Dive into NASA's ATLAS system as interstellar 3I/ATLAS nears Sun on 29 Oct 2025—no Earth hit, but astrometry campaign probes ...

Astronomers can usually spot "planet killer" asteroids long before they approach Earth. But what if they can't?

Contrary to online rumors, Earth still only has one true moon, but astronomers have discovered a so-called 'quasi-moon.' Here ...

The small asteroid 2025 PN7, dubbed as Earth's temporary quasi-moon by NASA, has sparked curiosity about its visibility to ...

A NASA-backed planetary defense group has reportedly begun efforts to pinpoint comet 3I/ATLAS after it was observed emitting ...

Contrary to allegations that 31/ATLAS is potentially hostile alien tech, the Manhattan-sized comet could provide potentially ...