The cryovolcanic "centaur" comet 29P/Schwassmann-Wachmann has erupted four times in less than 48 hours, becoming unusually ...

Photographers have immortalized Comet Tsuchinshan-ATLAS and you can, too. But you'd better be quick – it won't be around for ...

That’s in our own hands. So, next time a comet graces the skies, grab your gear, get outside, and start shooting! Editor’s note: The illustration showing the shapes of a comet’s ion tail and ...

Potentially deadly comets could be spotted many years in advance by following the meteoroid trails they leave near Earth, new ...

Comet A3 hasn't been past Earth since the Neanderthals. Your last chance to see it is approaching fast. Here's where and how ...

Astronomers believed Comet C/2024 S2 Atlas could reach a magnitude of -6.7, which is much brighter on the scale. The higher ...

But others would have ended up with orbits like those of the long-period comets. An illustration of the solar system and the Oort Cloud. The numbers on the graph depict AUs, or astronomical units.

The Halloween comet, C/2024 S1, disintegrated as it approached the sun. It's last fascinating moments were captured by the ...

An azimuth of 0° is north, and 270° is due west. Altitude is how high the comet is above the horizon. So, for example, if you’re searching for the comet 15 minutes after sunset on the 12th ...

U.S. Naval Research Laboratory’s CCOR captured solar CME images, while the LASCO telescope observed comet Tsuchinshan-ATLAS ...

An illustration of Nasa's 'Dart' mission to test asteroid-smashing technology. It's understandable if the thought of a comet wiping out all life on earth might be an extra worry you just don't ...

An excellent example is the famous Halley’s Comet, which has a 75-year orbital cycle. Many times though comets get entirely obliterated by the sun’s intense radiation. Some even crash into the ...