On March 22, 1997, a super bright comet by the name of Hale-Bopp made its closest approach to Earth. [‘On This Day in Space’ ...

Scientists captured a comet breaking apart in real time, offering a rare look at ancient material hidden inside these icy space objects.

The sky could host a brief but remarkable event in early April 2026. Astronomers are closely tracking a newly discovered ...

The scientific wonderers at What If map out the global consequences of a massive icy rock slamming into our planet's surface.

The levels of a heavy form of hydrogen in 3I/ATLAS are 30 to 40 times higher than in Earth's oceans, suggesting the comet has ...

In an incredibly lucky cosmic accident, NASA’s Hubble Space Telescope captured a comet breaking apart in real time—something astronomers have long tried and failed to observe. The comet, C/2025 K1 ...

C/2025 K1 (ATLAS) was on its way out of the solar system when it did the fateful thing that many comets do. Reading time 3 minutes In November 2025, a comet began disintegrating into pieces after a ...

Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

Comet C/2026 A1 (MAPS) could become visible to the naked eye this April. Learn where to watch and if the comet will survive its flight past the sun.

Between April 13-23, there are no fewer than six planetary conjunctions (alignments) to take in. Mercury is at its best for the year in morning twilight on April 4 when it’s 28 degrees west of the sun ...

In a happy twist of fate, NASA's Hubble Space Telescope witnessed a comet in the act of breaking apart. The chance of that happening while Hubble watched is extraordinarily minuscule. The findings are ...

Interstellar comet 3I/ATLAS has steadily been making its exit ever since it had a rendezvous at the end of October with the ...