Space agencies around the globe have launched an unprecedented wave of planetary defense exercises, all centered on a mysterious interstellar visitor that refuses to behave like anything scientists ...

A comet named 3I/ATLAS, which originated from outside our solar system, is currently hurtling through Earth's cosmic neighborhood. It is only the 3rd interstellar object ever discovered in our solar ...

NASA just dropped a trove of new images of interstellar Comet 3I/ATLAS, as seen by some of the space agency’s spacecraft. The release comes after NASA scientists and engineers waited through the ...

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Interstellar comet 3I/ATLAS exhibits a bright, extended ion tail while releasing gas and dust as it travels through the inner solar system. When you purchase through links on our site, we may earn an ...

Ever since astronomers first detected interstellar comet 3I/ATLAS in July, speculation about its true nature has run wild. Some experts speculate it isn’t a comet at all but rather an extraterrestrial ...

In early July, astronomers spotted a mysterious object, later dubbed 3I/ATLAS after it was confirmed to be the third-ever interstellar visitor cruising through our solar system. Last week, the object, ...

Ground-based telescopes lost sight of the comet during its close approach, but solar observatories, including SOHO, STEREO-A, and NOAA's GOES-19 kept tracking it. NOAA's CCOR-1 instrument captured a ...

A rare interstellar object is hurtling toward the sun and, despite viral claims, experts say it's just a normal comet, although it's showing some unexpected behavior. 3I/Atlas marks the third ...

The startup is fueling its rocket engines with liquid methane. Credit: Interstellar Technologies Amid stables for 1,400 dairy cows, a tanker truck empties its load: a liquid stream of manure that ...

A new analysis of our solar system’s interstellar interloper, 3I/ATLAS, reveals that it’s spewing huge amounts of water — and astronomers can’t immediately explain why. The object, which is widely ...