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.
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 ...
Today our focus is on the evening sky as Venus and Saturn sit close together in the west. About 30 minutes after sunset, brilliant Venus should be visible some 7° above the horizon. Tonight, ...
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 ...
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 ...
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 ...
From Mars, Earth transits the Sun four times in a 284-year cycle. The transits occur in either May or November at intervals of 100.5, 79, 25.5, and 79 years. During these events, Earth and the Moon ...
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 ...
Asteroid 7 Iris reaches opposition at 1 P.M. EST today. Now shining at 9th magnitude, you can best spot the main-belt world after dark, rising higher in the hours after sunset. By 10 P.M. local time, ...
A total lunar eclipse, sometimes called a Blood Moon, occurs over much of the world this morning, including the U.S. Total lunar eclipses can only take place during the Full Moon. Full Moon officially ...
February 24 was the date a new information pipeline began for astronomers around the world. Their computers received a deluge of cosmic notifications — 800,000 alerts about new asteroids, supernovae, ...
In this episode, Astronomy magazine Editor Emeritus Dave Eicher invites you to head out on the evening of March 8 to see a close grouping of two planets. This time, brilliant Venus — the ...
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