One summer night in 1877, American astronomer Asaph Hall was looking through his telescope in Washington, D.C. Mars was at ...

BENGALURU: Skywatchers are in for a celestial event in the early hours of June 30, when the Moon and Mars will appear ...

Look for them around 10 p.m. local daylight time, roughly one-quarter up in the western sky. In addition to their closeness ...

Blue Origin has been mum about the payload that will fly on this rocket, but multiple people have told Ars that the current ...

This month will usher in two separate conjunctions — one between the moon and a rarely-visible Mercury, and another between the moon and Mars.

Regulus is a bright blue star in the constellation Leo, which is often called the 'lion's heart'. It regularly appears close ...

A new study challenges the long-standing assumptions about the origin of Mars’s moons by suggesting the Red Planet may have once been surrounded by rings. The research, authored by Matija Ćuk, Kaustub ...

Jupiter will be too close to the sun to see Tuesday, but it will move farther out in the dawn sky and on Aug. 12 will have a ...

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

I was looking forward to writing a tribute to clear summer skies and great summer stargazing in the Pacific Northwest.