Astronomy

Latest about Astronomy

Runaway supermassive black hole flees the Cosmic Owl galaxies leaving a trail of stars

James Webb Space Telescope confirms 1st 'runaway' supermassive black hole rocketing through 'Cosmic Owl' galaxies at 2.2 million mph: 'It boggles the mind!'

By Robert Lea published

"The forces that are needed to dislodge such a massive black hole from its home are enormous."

Black Holes
A white light of the comet 3I/ATLAS is surrounded by a blue glow against a black background

Latest Comet 3I/ATLAS news: Closest approach to Earth this week

By Tariq Malik, Daisy Dobrijevic, Anthony Wood last updated

Wednesday, Dec. 17, 2025: Your daily feed for the holiday flyby of interstellar comet 3I/ATLAS by Earth.

Comets
This view of a region called Syrtis Major is from the 100,000th image captured by NASA’s Mars Reconnaissance Orbiter using its HiRISE camera. The image was snapped on Oct. 7, 2025. Over nearly 20 years, HiRISE has helped scientists understand how the Red Planet’s surface is constantly changing.

Camera on NASA Mars probe snaps its 100,000th photo of the Red Planet

By Mike Wall published

The HiRISE camera on NASA's Mars Reconnaissance Orbiter just notched a big milestone, snapping its 100,000th photo of the Red Planet.

Mars
graphic showing comet 3I/ATLAS on a laptop screen against a background of stars

Watch interstellar comet 3I/ATLAS make its closest approach to Earth in free livestream on Dec. 18

By Daisy Dobrijevic published

The livestream will begin at 11 p.m. EST Dec. 18 (0400 GMT on Dec. 19), weather permitting.

Comets
Artist's concept of the two Gravity Recovery and Interior Laboratory (GRAIL) spacecraft orbiting the moon. NASA launched the twin probes in September 2011 to study the moon's gravitational field in unprecedented detail.

On this day in space! Dec. 17, 2012: NASA's 2 GRAIL orbiters slam into the moon

By Hanneke Weitering, Elizabeth Howell last updated

On Dec. 17, 2012, NASA's GRAIL mission crashed into the moon.

The moon
Two photos with the one on the left of a man wearing a green long-sleeved shirt and the image on the right a pixelated picture of 3I/ATLAS as a ball of yellow light with green and blue light emanating from it outwards.

Interstellar comet 3I/ATLAS wasn't supposed to be there — meet the astronomer who discovered it

By Kenna Hughes-Castleberry published

Dr. Larry Denneau of the University of Hawaii is nothing like your typical astronomer.

Comets

What is the moon phase today? Lunar phases 2025

By Tariq Malik, Daisy Dobrijevic last updated

Reference See what moon phase it is tonight and find out when you can see the rest of the moon phases for 2025.

Reference
A wildfire is seen in a forested mountainside, with orange flames among green pine trees and smoke drifting to the top right of the image

Wildfire smoke lofted miles high could have an unexpected effect on Earth's climate

By Stefanie Waldek published

New measurements demonstrate that smoke particles in the upper atmosphere are twice the size of lower-altitude ones.

Earth
A grayscale image shows a close up of the sun and shows a solar wind changing direction, curving to the left of the image

NASA's Parker Solar Probe captures solar wind doing a 'U-turn'

By Sharmila Kuthunur published

NASA's Parker Solar Probe captured solar material looping back to the sun, revealing how it recycles magnetic energy and shapes future solar storms.

The Sun
an illustration shows PSR J2322-2650b, a strange lemon-shaped exoplanet orbiting a pulsar

James Webb Space Telescope discovers a lemon-shaped exoplanet unlike anything seen before: 'What the heck is this?'

By Robert Lea published

"This was an absolute surprise. It's extremely different from what we expected."

Exoplanets
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