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

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

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

On November 12, 2014, a European spacecraft named Philae tried to land on Comet 67P. To say it was a bumpy landing would be ...

On 12 November 2014, after a 10-year journey through the solar system and over 500 million kilometers from home, Rosetta's lander Philae made space exploration history by touching down on a comet for ...

A decade ago, scientists at the European Space Agency (ESA) had just wrapped up the yearslong process of building a ...

Pressure builds within the nucleus until the shell cracks and the comet's icy guts, or cryomagma, spray into space. After an eruption, or outburst, the comet's coma — a fuzzy, reflective cloud ...

Comet 29P/Schwassmann-Wachmann is a centaur, a class of objects that orbit between Jupiter and Neptune. However, it displays ...

The so-called "Halloween comet" vaporized as it flew within 1 million miles of the sun on Monday, its destruction captured by ...

Fred Schaaf promises plenty of opportunities for spectacular views of the moon, planets and stars these next two weeks.

however it was not bright and mornings clouds on the horizon hid the comet from sight. Its path through space has now brought ...

NASA confirmed Tuesday its sun-observing spacecraft captured the moment when the comet Atlas broke into chunks this week as ...