a bit like a comet. Charles Schambeau of the University of Central Florida describes Chiron as an oddball among all the other centaurs, and even among trans-Neptunian objects (TNOs), which have ...

Officially classified as 2060 Chiron, this 125-mile-wide object blurs the boundaries between asteroid and comet. Now, thanks to groundbreaking observations from the James Webb Space Telescope ...

The comet was first spotted by an amateur astronomer looking through SOHO spacecraft data. The newly discovered comet is already putting on a show for amateur astronomers with telescopes at the ready.

Meet comet C/2025 F2 (SWAN): a celestial body glowing green as it swings around the sun, currently visible in the early morning hours with backyard gear, such as small telescopes or binoculars.

A freshly-discovered comet has lots of skywatchers training their telescopes on the dawn sky, but pretty soon the new Comet SWAN25F will flip to our evening sky, and allow a lot of us to get a ...