Optical proof of a tiny companion orbiting supergiant star Betelgeuse is hard to come by. Hubble just spotted new evidence.

The companion star of Betelgeuse, seen for the first time by the Gemini North Telescope. "This discovery answers the ...

While two teams have ideas about what happened to yellow supergiant M31-2014-DS1, ultimately, it remains a mystery.

With the moon out of the way on Jan. 18, bright Jupiter and Saturn become stand-outs in the January night sky.

The faint crescent Moon returns to the western sky after the new Moon on January 19, 2026, providing a chance for early evening observation near the horizon after sunset.

Stratford Astronomical Society meet tomorrow (Tuesday) for the first time this year - while member Adrian Wakeham says what’s ...

Sky This Week is brought to you in part by Celestron. Friday, January 23Pluto reaches conjunction with the Sun at 5 A.M. EST.

CNN’s 5 Things PM brings you the stories you might have missed during your busy day.

January new moon brings darker skies and prime stargazing conditions across hemispheres. A new moon takes place when the Sun ...

On January 18, 2026, the new moon creates dark skies for observing Jupiter, Saturn, and the Orion constellation. Detailed positions and celestial coordinates for global observers are provided.

Old satellites and other space junk fall toward Earth every day, and the shock waves they create could be used to track their ...