Mysterious little red dots threatened to overhaul modern cosmology—but new research may have solved the celestial conundrum.

I had to crane my neck all the way back to see Mars the other night. It was straight above me, a glowing orange dot in the middle of a ...

Welcome to this month’s edition of “What’s up in the sky?” February has a nice lineup of planets and some eye-catching ...

Word is sure getting around about the "parade of planets" visible in our evening sky! Many of the news outlets and social media sites are posting articles or stories about ...

The possibility of the asteroid 2024 YR4 impacting our planet might not be ruled out until 2028, raising the prospect we’ll ...

SPHEREx is slated to launch Feb. 27 on a SpaceX rocket. It is meant to map the entire night sky in infrared — something even ...

HWO will be the first space telescope built to find potentially habitable planets and analyze their atmospheres for signs of ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

As we discussed last month, late January and early February will provide a stage for a Planet Parade, with six planets lining up in the night sky. On February 1, we should see the crescent moon in ...

Certain extreme planets are called ultra-short period objects if they're very close to their stars and orbit them in mere hours, like K2-22b.

The James Webb Space Telescope's Near-Infrared camera (NIRCam) captured stunning imagery of Neptune. It is the "clearest view of this peculiar planet’s rings in more than 30 years,” according to ...

This image of Mars taken by NASA shows a Martian crater in the shape of a heart. The University of Wyoming Harry C. Vaughan Planetarium will present “Hearts in the Sky,” a Valentine’s Day program at ...