How astronomers used gravitational lensing, a space-time trick predicted by Einstein, to detect a black hole measuring 30 billion times the mass of the sun.

"Two Uranus years (one Uranus year is 84.02 Earth years), running from 1900 to 2068 and starting just before southern summer solstice, when Uranus’s south pole points almost directly towards the Sun," ...

Sky This Week is brought to you in part by Celestron. Friday, March 20The vernal equinox occurs at 10:46 A.M. EDT, bringing astronomical spring to the Northern Hemisphere as the Sun stands directly ...

The word “big” doesn’t mean much once you leave Earth. Our planet feels massive until you stack it next to Jupiter. Jupiter feels enormous until you compare it to the Sun. And the Sun? That barely ...

The film which opens in theaters Thursday is grounded in a real nearby star systems an exoplanet science, with a dose of fictional biology.

It's hard not to find the premise of Andy Weir's Project Hail Mary instantly compelling: Something is slowly killing the sun ...

Find wildflowers, shady oak trees, ducks, deer and snakes at these preserves, just some of the many found throughout the county.

The northern lights are especially active this weekend because of heightened geomagnetic storming.

A new study looking at the isotopic ratios in interstellar comet 3I/ATLAS after its closest approach to our star has suggested it may have formed around an old, low-metallicity star in the Milky Way's ...

NASA's Hubble Space Telescope has captured a rare cosmic moment: a comet breaking apart in real time.

It's the start of a new lunar cycle.

This study focused on regions that remain active for longer periods, where the strong magnetic field takes at least a month to weaken.