Mercury reaches its greatest elongation, 26 degrees east of the sun on July 4. From latitude 40 degrees north, the ...

During July, magnitude 5.8 Uranus can be spotted as a blue-green speck in binoculars and as a small 3.5 arc-seconds-wide disk through any telescope. On July 4, the far brighter planet Venus will pass ...

The globular cluster Messier 22 (M22) reaches its highest point in the sky around midnight local time, specifically for ...

The nova V462 Lupi was first discovered on June 12 by the Ohio State University-led All-Sky Automated Survey for Supernovae ...

Over time, these stars became known as Wolf-Rayet stars (Charles Wolf was a French astronomer, and helium was first detected by the French scientist Georges Rayet and others), and astronomers came to ...

Mercury is the month's highlight, reaching greatest elongation July 4. Also on show in the Southern Hemisphere: Mars, Saturn, ...

While recent research shows the night sky is getting brighter every year across North America, the Big Bend area in Texas has ...

June 25's new moon darkens the night sky for summer’s best stargazing — including the Summer Triangle and Milky Way.

At the heart of the new Vera C. Rubin Observatory is a digital camera that will create an unparalleled map of the cosmos.

Pluto will reach its closest approach to Earth and align opposite the Sun on July 25, appearing slightly brighter (magnitude ...