Astronomers have ruled out alien origins for interstellar visitor 3I/ATLAS, confirming it's a natural comet—not an ...

Astronomers study 3I/Atlas as its tail rapidly expands and a strange cosmic radio signal reaches Earth, sparking new debate ...

The researchers have calculated the expected orbital elements, radiants and velocities of Earth-impacting interstellar ...

Researchers are uncovering the origins of cosmic rays, linking them to mysterious cosmic accelerators called PeVatrons New research from astrophysicists at Michigan State University may bring scientis ...

Scientists say 3I/Atlas came closest to Mars in October. Its path this month put it in the path of the warm rays of our sun, where a tail became more visible. The 3.5-mile solar object is traveling at ...

The interstellar comet has reappeared after months hidden behind the sun, offering astronomers fresh clues about how comets ...

A University of Iowa researcher has been awarded funding from NASA to create an interstellar map that could lead to more accurate observations of planets located outside our solar system — known as ...

Astronomers first documented a CME in 1859, in conjunction with the widespread energy grid disruptions that later became known as the Carrington Event. Since then, every observed CME has traced back ...

If an antimatter meteor came into our solar system, we’d definitely know about it, says one reader, especially if it hit the ...

A stunning new image of interstellar comet 3I/ATLAS (C/2025 N1 ATLAS) reveals the cosmic visitor's ion tail has grown ...

Blue Origin canceled its planned Mars-bound launch of its ESCAPADE craft for the second time due to increased solar flare ...

Astronomers have dismissed viral online claims that interstellar comet 3I/ATLAS was destroyed near the Sun, confirming that ...