Mercury reaches greatest elongation in the evening sky this month. Venus and Jupiter have a spectacular conjunction, and later in the month the Moon occults Venus. Meanwhile, Jupiter drops deeper into ...

Enjoy May’s second Full Moon, see Mercury at its best, spot Titan near Saturn, and much more in the sky this week.

SpaceX has FAA approval to conduct up to 25 annual Starship launches and landings at Starbase in Texas. It plans to build V3 pads on Florida’s Space Coast and is also exploring international launch ...

Saturn dominates the predawn sky, while Mars is rising earlier each day. The Red Planet is still a bit challenging — can you ...

The Kite of Boötes is high in the east after sunset, offering a simple star pattern to trace out with your naked eyes.

Harry Clement Stubbs – perhaps better known by his penname, Hal Clement – was born near Boston on May 30, 1922. Stubbs earned a B.S. in astronomy from Harvard University in 1943, followed by master’s ...

Cape Canaveral Space Force Station (CCSFS) in Florida resumed operations Friday following the explosion of Blue Origin’s New Glenn rocket during a test Thursday night. Space Launch Delta 45 (SLD 45), ...

Today in the history of astronomy, Eddington’s eclipse expedition proves Einstein’s theory of general relativity.

The smallest planet appears after sunset as the waxing Moon reaches First Quarter and star clusters shine in the sky this ...

Venus and Jupiter are visible in the evening, while there's a conjunction of Mars and Uranus in the predawn sky.

Ahead of what observers anticipate will be the largest initial public offering (IPO) in history, SpaceX debuted its largest rocket yet on a mostly successful mission. Though Starship and the Super ...

May 25 and 26, 1959, saw the first meeting of the Research Steering Committee on Manned Space Flight. The committee was also referred to as the Goett Committee, as it was chaired by Harry J. Goett. An ...