Skygazers who look up at the moon tonight may be able to spot Saturn below it. Here's when and how to spot the conjunction.

Solar storms are eruptions that release some of the energy stored in the sun's strong magnetic field. These can create ...

From planet-scorching stellar outbursts to cataclysms so powerful they shiver the very fabric of spacetime, these are some of the biggest blasts our cosmos has to offer ...

Interstellar Comet 3I/ATLAS is believed to be much older than the whole Solar System. It traveled across the galaxy for at least 10 million years without passing another star, and probably a lot ...

We know what will happen to the Sun and our Solar System because we can look outward into the galaxy and examine older ...

Professor Avi Loeb of Harvard cited three reasons 3I/ATLAS might be an alien spacecraft. First, its trajectory is highly unusual. The object passed through space relatively close to multiple planets ...

Harvard astrophysicist Avi Loeb explains why Jan. 22’s rare “full moon phase” alignment was so significant for 3I/ATLAS.

A new study published as a pre-peer-reviewed paper on arXiv and accepted for publication in Astronomy & Astrophysics suggests ...

JWST images reveal hidden stars, dusty galaxies, and cosmic timelines. See why Webb’s infrared vision is rewriting ...

The exposures display brightness maps of the glowing halo surrounding 3I/ATLAS. The glow is elongated by about 100,000 ...