Our waxing Moon shares western Leo with the Red Planet this evening, visible for a few hours after sunset in the west.

Venus reaches its greatest western elongation (46°) from the Sun at midnight EDT. Earth’s sister planet is now visible in the ...

Earth’s sister planet reaches greatest western elongation and dichotomy as the waxing Moon slides along the ecliptic in the ...

Now just 1.7° apart, Saturn and Neptune are visible in Pisces, some 15° high by 4 A.M. Catch them in the early-morning ...

That trend is perfectly illustrated by the DWARF 3 smart telescope from DwarfLab. Not long after I reviewed their DWARF II ...

Located in Cassiopeia, open cluster NGC7789, or "Caroline's Rose," is one of the richest clusters you'll observe in the ...

In common usage, UT refers to a time scale called Coordinated Universal Time (abbreviated UTC ), which is the basis for the ...

Safely reaching the surface of Earth's satellite is hard. 2025 has brought both successes and shortfalls for companies and ...

After leaving Earth, Tianwen-2 will reach Kamo‘oalewa by July 2026. This tiny, elongated asteroid likely spans no more than ...

The Owl Cluster is an open cluster in Cassiopeia that has the appearance of a bird in flight — at least to one magazine ...

Sharpless 2–157 is rarely observed by amateur astronomers. It is sometimes called the Lobster Claw Nebula due to its ...

Our satellite is a little off-balance. GRAIL data show a mass asymmetry of a few percent between its near and far sides.