The European Space Agency has released the closest-ever spacecraft images of interstellar comet 3I/ATLAS, marking a major ...

“What is the difference between a mountain and a pebble when it’s whizzing by at 210,000 kilometers per hour?” For astronomers that have been monitoring the interstellar comet 3I/ATLAS, the reply is ...

These are far-ultraviolet Hubble images of Mars near its farthest point from the Sun, called aphelion, on December 31, 2017 (top), and near its closest approach to the Sun, called perihelion, on ...

The world's most famous telescope is celebrating in style with new views of Mars, nebulas and a galaxy that reminds us of home. Freelance writer Amanda C. Kooser covers gadgets and tech news with a ...

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