A new analysis of archival Hubble Space Telescope photos reveals that a peculiar comet slowed its spin before fully reversing ...

Comet C/2026 A1 (MAPS) could shine brightly in the evenings after April 4, but only if it survives a very close encounter ...

The observation was described on March 26 in the Astronomical Journal. Nine years ago, comet 41P/Tuttle-Giacobini-Kresák—41P ...

A comet, now hidden in the Sun's glare, could become a notable presence in the evening sky by late next week, if it's not ...

We now know that all these bright comets from the last two millennia — the Kreutz sungrazing family — share a common origin.

If C/2026 A1 (MAPS) survives its close encounter with the sun, it could blaze brightly enough to be seen from Earth.

Comet MAPS is about to face its ultimate test as it sweeps just 101,000 miles above the sun's surface.

The cosmos may have a special treat in store for the four astronauts of NASA’s Artemis II mission. NASA astronauts Reid ...

Sky watchers await the chance to spot a comet this month, but the "cosmic snowballs" are famously unpredictable.

C/2026 A1 (MAPS) and C/2025 R3 (PanSTARRS) —could become visible in April. One may be super-bright or disintegrate, while the other may be more predictable.

NASA notes that while the comet may be one of the brighter ones of the year, it will likely still require binoculars or a ...

Gases jetting out of Comet 41P/Tuttle-Giacobini-Kresák may have caused it to reverse its spin in 2017, possibly leading to ...