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 ...

Comet 3I/ATLAS, the third known interstellar object ever detected passing through our solar system, carries a chemical signature that does not match what astronomers typically see in comets born ...

Learn how ALMA observations revealed unusually high levels of methanol in interstellar comet 3I/ATLAS and what the molecule’s chemistry may reveal about how icy bodies form around other stars.

Add Yahoo as a preferred source to see more of our stories on Google. But now a fourth and much larger object has been spotted entering the solar system, and the scientific community is rushing to ...

Microscopic crystals extracted from meteorites could help settle a debate about the birth of our patch of the Milky Way.

You might think of our solar system as fixed and unchanging. But that doesn't take into account the constant discoveries ...

In the distant reaches of the solar system are many icy objects that resemble snowmen. Now, a new study reveals the simple ...

Add Yahoo as a preferred source to see more of our stories on Google. An artist's impression shows the "inside out" planetary system around the star LHS 1903. - ESA An exoplanetary system about 116 ...

NPR's Ari Shapiro talks with astronomer David Jewitt about what we can learn from the third interstellar object to have entered our solar system, a comet-like object known as 3I/ATLAS. A remarkable ...

Beyond that, in the decades to come, we might be able to see the colours of an exoplanet’s surface, and determine if plant life might be present there. And then we can search for changes in a planet’s ...