As we proceed into the heart of winter, this month’s Colorado sky displays a marvelous treasure trove of bright stellar gems ...

New ground- and space-based infrared observations are giving astronomers a better handle on the true populations of red ...

I have an absolute passion for the winter constellations that are now putting on their wonderful winter show in the ...

Thorne-Żytkow objects that we haven't yet seen. There is, however, more to learn about these stars and the cosmos.

Mars shines brightly this week as it reaches opposition, appearing golden-red in the sky near Jupiter. Look for it in the ...

As a variable star, it pulses with a heartbeat-like ... This orbital configuration matches observed variations in Betelgeuse’s light curve and radial velocity. Related Stories ・Webb Telescope ...

Planets continue their nighttime shows, with eight visible at points during February, including Venus on Feb. 14.

I have an absolute passion for the winter constellations, which are now putting on their wonderful winter show in the ...

I have an absolute passion for the winter constellations currently putting on their stunning show in the southeastern ...

"it's not completely unusual for asteroids to be near the Earth," Gallagher said. "Our moon is about a quarter million miles away from the Earth. So something 7.6 million miles out would be many, many ...

In an astronomical feat, using NASA's James Webb Space Telescope, a team of astronomers observed a distant galaxy, uncovering ...