In 2008, a spacecraft was launched by NASA to study how our heliosphere, the magnetic bubble surrounding our Sun and planets, interacts with interstellar space. The Interstellar Boundary Explorer, or ...

Add Yahoo as a preferred source to see more of our stories on Google. Pictures of 3I/ATLAS will soon be all we have to remind us of the strange interstellar comet and its brief visit to our cosmic ...

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Add Yahoo as a preferred source to see more of our stories on Google. Remember 3I/ATLAS? Yes, the interstellar comet that made plenty of headlines in 2025 is still romping through our solar system.

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An icy ‘Oumuamua may have lost enormous amounts of material during a journey lasting hundreds of millions of years between ...

One year ago, Congress defunded public media. Now that we're 100% community funded, please become a sustaining member or increase your existing membership today. Listen 7:19 (Note: This post was first ...

Interstellar comet 3I/ATLAS, which passed through the solar system in 2025, seems to have come from a chemically primitive region of the early Milky Way, according to James Webb Space Telescope ...

The interstellar comet 3I/ATLAS was the third object ever discovered in our solar system that originated from another star system. Despite a viral conspiracy theory, NASA officials have repeatedly ...

The interstellar comet 3I/ATLAS was confirmed in July 2025 as the third known object to visit our solar system from interstellar space. Despite conspiracy theories, scientists say 3I/ATLAS shows all ...