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

Tuesday marks the tenth anniversary of a huge astronomical milestone: the first and only time we have landed on a comet. The ...

The tail of the comet is created by light reflecting off of ice and rocks that are cast off as it flies past the sun. "This comet has actually had two tails — a front tail and a back tail — at ...

Over the year, Rosetta recorded up to two bathtubs' worth of water vapor and 2,200 pounds (1,000 kilograms) of dust escaping ...

Above: Takaya Okada (Japan) observes Comet C/2023 A3 with his EVSCOPE2. In the background you can see the comet tracing its ...

When astronomers look closely, they find that comets actually have two separate tails. One looks white and is made of dust. This dust tail traces a broad, gently curving path behind the comet.

NASA and the European Space Agency’s Solar and Heliospheric Observatory (SOHO) spotted Comet C/2024 S1 (ATLAS) as it made its ...

How, when, and where to look to see Comet C/2023 A3 (Tsuchinshan-ATLAS) after sunset this Thursday, Oct. 31, with sky charts, ...

Don't miss the the celestial wonder on spectacular display on Tuesday night—if you do, you'll be waiting a while to see it ...

Comet A3 with anti-tail. Image: Stephen Kwong The quirk has ... If your nights are packed for the next two weeks, and you won’t get a chance to get a look, you might want to start berating ...

A dazzling comet left behind a dramatic dust tail as it swept around the sun ... several days," NRL officials wrote in the statement. two views of a coronagraph showing a dust trail from a ...