Researchers say studying these objects could reveal more about how Earth became habitable.
The best sci-fi stories aren't always about a person traveling through space and meeting a quirky alien to save Earth; sometimes it's about a dinner party.
For almost a decade—ever since 2017, when our first known interstellar visitor, 1I/‘Oumuamua, swooped through the inner solar ...
A strange class of comet could explain the enigmatic behavior of ‘Oumuamua, the first known interstellar object—and even shed ...
Scientists studying interstellar comet 3I/ATLAS say its unusual chemical fingerprints suggest it formed around an ancient ...
JWST detected rising methane emissions from interstellar comet 3I/ATLAS, exposing ancient interior ice and offering new ...
A polarizing Harvard astronomer has been appointed to lead a Trump administration panel studying UFOs. Avi Loeb is leading a ...
That sharp, briny smell is not the salt, it is a gas made by life, breathed out by tiny ocean creatures too small to see. For ...
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Mysterious interstellar comet 3I/ATLAS could be three times older than Earth, study reveals
While 3I/ATLAS is definitely a comet, its composition and age have remained unclear. Now, astronomers have solved these ...
For the first time in more than 15 years, the International Academy of Astronautics (IAA) Search for Extraterrestrial ...
Last year, an interstellar traveler entered our solar system. Some speculated that it was an alien spacecraft, but it turned ...
Interstellar comet 3I/ATLAS carries isotopic ratios entirely outside the Solar System range, ESO’s Very Large Telescope has ...
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