On Monday night you may have a chance to witness the moon obscuring the Red Planet at its brightest, as well as a comet’s closest approach to the sun.

Do the periods of comets decrease because they lose mass every time they get near the Sun? Robert BaileyConover, Wisconsin Great question! Assuming you're referring specifically to the orbital period - in other words,

G3 may be hard to see due to weather patterns and the California wildfires, said Tim Brothers of the Massachusetts Institute of Technology.

I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

2025's first full moon will be the last of four consecutive supermoons, according to NASA. But it's a pretty eventful lunar phase. Monday's full moon has a lot going on, which would make anyone want to howl with delight, especially since this month's moon is known as the "wolf" moon.

Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend.

Comet ATLAS hit a maximum magnitude of -3.4 during its close encounter with the sun, just shy of the brightness of Venus in the night sky.

Skies over South Carolina kick off 2025 with a planet parade, ancient comet and the muse of "Beyond Antares," a 23rd-century love song from "Star Trek" fame.

Astronomer Dean Regas gives us the lowdown on the best things to look out for this winter, from a “planet parade” to the ATLAS comet.

it will also pass in front of the more-brilliantly-red-than-usual Mars in an event known as a lunar occultation. But that’s not all January’s sky has to offer. A new comet, expected to be the ...

The comet, known as C/2024 G3 or ATLAS ... There will be a lunar occultation of Mars. That means Mars will slip behind the Moon, making it seem like the planet has disappeared, he told USA ...

Venus, Saturn, Jupiter and Mars will appear to line up and be bright enough to see with the naked eye in the first few hours after dark. This weekend, Venus and Saturn get especially cozy.