NASA STEREO-A satellite's SECCHI/HI-2 camera captured this imagery of Comet C/2021 A1 (Leonard) Credit: Space.com | footage courtesy: NASA/NRL/B.Gallagher | edited by Steve Spaleta ...

Comets are unpredictable, fleeting visitors in our sky, and C/2024 G3 (ATLAS) was no exception. This January, it graced the ...

A brilliant comet waved its tail above the site of the world's largest telescope as it lit up the night sky last month.Comet ...

Steve Dennis relives eight years of what began life as the world’s richest race Eight years ago, the Pegasus World Cup smashed into the racing landscape like a gold-plated comet with a tail formed of ...

In the days following its perihelion, people around the world snapped some stunning pictures of the comet and its spectacular tail. While not visible from the Northern Hemisphere, people in the ...

Thursday night could be one of the last nights you'll be able to see a super rare comet and its bright tail streaking across the Australian skies. It's called Comet C/2024 G3 (ATLAS) and for the ...

A photograph of the C/2024 G3 "Atlas" comet, captured in Uruguay. A once-in-a-lifetime comet has been spotted over New Zealand skies this week. Comet C/2024 G3 (Atlas), which last visited the Sun ...

Yet these behemoths’ most puzzling feature is a whip-like tail that can measure as long as the rest of the fish’s body. Why mantas and related rays have such long tails has long been a mystery.

Battams Karl Battams, LASCO's principal investigator at the U.S. Naval Research Lab in Washington, D.C., processed some of the images to bring out fine details in the comet's tail and create the ...

Liver cancer is a type of cancer with a recurrence rate of 70% even after surgical removal of cancer cells. As a result, it is the second leading caus... Seoul National University Hospital leads ...

The photos also showed a bright streak of light, or "streamer," in the comet's tail, which is a sign that large amounts of gas and dust are leaking out of the comet, potentially via new cracks in ...