A NASA-led study revealed that a near-Earth object long mistaken for an asteroid—1998 SH2—is actually a hidden comet—a discovery that could prove vital for predicting future threats to Earth.

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large ...

A seemingly ordinary asteroid has revealed its icy true identity — and new clues for spotting hidden hazards near Earth.

Add Yahoo as a preferred source to see more of our stories on Google. A rare interstellar object is hurtling toward the sun and, despite viral claims, experts say it's just a normal comet, although it ...

Stargazers and scientists are getting a holiday present from the cosmos this week. 3I/ATLAS, an interstellar comet, will get “closest” to Earth on Friday, December 19, as part of its journey across ...

For skywatchers, scientists and even the astronauts on the International Space Station (ISS), the skies have recently been very active. The sun has released its largest eruptions of 2025, sparking a ...

The comet is the third object ever confirmed to have entered our cosmic neighborhood from elsewhere in the galaxy. Space telescopes and orbiters have been documenting the rare visit. A mysterious ...

The water and carbon in 3I/ATLAS reveal an extremely cold and ancient origin, possibly in a planetary system that formed ...

Comet 10P/Tempel 2 is now visible in the south as soon as it gets dark from anywhere in the Northern Hemisphere, but only ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. New images captured by the European Space Agency (ESA) of the ...

As a U.S. satellite monitored the sun for hazardous space weather this week, something unexpected slipped into view. The National Oceanic and Atmospheric Administration's GOES-19 orbits about 22,300 ...