Solar system comet C/2024 E1 (Wierzchos) makes its closest approach to the sun today (Jan. 20) during an event known as perihelion, when it will pass a little over half the Earth-sun distance from our ...

The second wave of observations, conducted since December 2025, have allowed scientists to better characterize the chemical ...

Comet C/2025 R3 (PanSTARRS) is brightening in the night sky in April. Here's when and how to spot the celestial show in ...

The Southwest Research Institute-led Ultraviolet Spectrograph (UVS) instruments aboard ESA's Jupiter Icy Moons Explorer ...

A rare interstellar object is hurtling toward the sun and, despite viral claims, experts say it's just a normal comet, although it's showing some unexpected behavior. 3I/Atlas marks the third ...

THE SPACE COMMUNITY RECENTLY. AN INTERSTELLAR COMET THAT BEGAN OUTSIDE OUR SOLAR SYSTEM HAS JUST MADE ITS CLOSEST PASS OF THE SUN. THAT’S RIGHT. SO ASTRONOMERS HAVE OBSERVED THE COMET SINCE JULY, BUT ...

Soon after Australian amateur astronomer Terry Lovejoy discovered a comet in an automated search program using a telescope equipped with a CCD detector on Nov. 27, it became clear that he had found ...

The interstellar comet 3I/ATLAS changed significantly as it flew by the sun last fall, astronomers have discovered.

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. A brightening comet is becoming easier to see before sunrise ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. A new comet barreling toward the sun could turn out to be a truly ‘Great Comet’ in April — ...