The Sun, along with more than 1,500 other stars, journeyed from the middle of the Milky Way to its current position a few billion years ago.
The distant ice giant Uranus is located in Taurus right now, not far from the famous (and easy-to-find) Pleiades star cluster, cataloged as M45. Tonight, the planet also sits a short distance due ...
Planning to run this year’s Messier marathon? March 14/15 and 21/22 are the best nights to give it a go. Your ideal order will differ with latitude, but this is a good place to start. Be sure to set ...
Sixty-five years ago, the USSR shocked the world by sending the first robotic emissary from Earth to the Moon. The September 1959 impact of Luna 2 on northeastern Mare Imbrium was a stunning ...
Look north this evening a couple hours after sunset and you’ll easily spot the large shape of the Big Dipper as it sits upside-down in the sky, appearing to pour from its cup into that of the smaller ...
The Galilean moon Callisto disappears behind Jupiter in an occultation early this morning. The catch is that the event is only visible from the western half of the U.S., but observers farther east can ...
Look north this evening for Ursa Major the Great Bear, whose back half is best known as the Big Dipper. The two stars on the far end of the cup from the handle are called the Pointer Stars: These are ...
Io transits Jupiter’s broad disk late tonight, beginning at midnight EST. On the East Coast, Jupiter is still 40° high in the west at local midnight, readily visible as the brightest point of light in ...
In 2018, NASA’s OSIRIS-REx mission reached asteroid 101955 Bennu. Two years later, the spacecraft snagged a sample of its surface, which has since been returned to Earth. Now, astronomers are getting ...
One of the most enduring mysteries in astronomy may have just been solved — and sorry folks, it’s not aliens. In a paper posted last month to the arXiv preprint server, a team of astronomers report ...
To many of you, Observable Space — formerly PlaneWave — needs no introduction. Starting as a breakaway from Celestron in southern California in 2006, PlaneWave was founded by Rick Hedrick and Joe ...
On Oct. 10, 1846, William Lassell peered through his 20-foot reflector in Liverpool, England. Lassell was a self-funded amateur astronomer who had made a fortune as a brewer, and he’d built his own ...
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