The sun has become more and more active over the last 16 years, in a turn that surprised scientists and could affect space ...

A space instrument built by the University of Colorado Boulder will launch aboard a NASA spacecraft on Sept. 23 to detect and ...

For the first time, astronomers have directly measured a solar-system-size corona around a distant supermassive black hole, ...

Riding alongside IMAP, NOAA's SWFO-L1 will serve as a dedicated solar alert system, monitoring space weather and energetic ...

Astronomers have been racing to get a better look at 3I/ATLAS, a mysterious object with interstellar origins that has defied ...

I/ATLAS is a fast, ancient interstellar object. Its odd features fuel both scientific study and speculation. On July 1, ...

Explore the true scale of the Solar System in this video, which illustrates the relative sizes of the planets and their ...

Spacetime ripples from a black hole collision across the cosmos have confirmed weird aspects of black hole physics ...

An international team led by the University of Geneva (UNIGE), including scientists from the National Center of Competence in ...

Called 3I/ATLAS, the object is only the third of its kind known to astronomers, and it’s likely been heading our way for ...

The European Space Agency-led Solar Orbiter mission has split the flood of energetic particles flung out into space from the ...