A newly spotted comet is racing toward a perilously close encounter with the Sun, promising either a spectacular daytime ...

When a sky-survey telescope in Chile pointed out a small, moving point of light the first thought was business as ...

Why then should a comet increase, since it was already past the Sun and began its long departure? A NASA space telescope ...

The newly discovered sungrazing comet C/2026 A1 (MAPS) will undergo an extremely close slingshot around our star in early ...

Comet 3I/ATLAS is not just another icy visitor cutting across the night sky. As it hurtles through the inner solar system, NASA scientists say its path is being nudged by a subtle but measurable force ...

Early last year, asteroid 2024 YR4 caught the public’s attention as its chances of hitting Earth in the near future climbed ...

Astronomers have uncovered what looks like the sharpest evidence so far that a dense clump of dark matter is lurking ...

As it races back into deep space, interstellar comet 3I/ATLAS has staged an unexpected finale, suddenly brightening and shedding material in a spectacular flare. The outburst, caught by a suite of ...

In an unprecedented astronomical event, Comet C/2025 K1 (ATLAS) has been caught breaking apart as it passed perilously close ...

I/ATLAS is back in the viral headlines, as it was for a fleeting moment in late 2025 and early 2026, when humanity's gaze ...

Astronomers at the University of Alabama in Huntsville may have found the closest evidence yet of a hidden clump of dark ...

Astronomers have identified a frozen, Earth-sized world circling a nearby sunlike star, a find that sharpens the search for planets that resemble our own while underscoring how rare truly temperate ...