An amateur who devoted his live to chronicling the Moon, and became one of the world's most renowned lunar specialists, has died at age 94.
A young pair of stars hosts three potentially planet-forming disks, and all three of them are wildly tilted with respect to each other.
The innovative joint European Space Agency/Roscosmos Schiaparelli lander begins its three day solo journey to the Martian surface this weekend.
This year's awards from the Astronomical League showcase some talented high-school students and astronomy clubs throw great star parties.
The news that astronomers find the universe has 10 times more galaxies than previously thought? There's less to this than the headlines say.
The National Oceanic and Atmospheric Administration (NOAA) predicts a strong chance of geomagnetic activity tonight, October 13–14.
Observations from NASA’s Lunar Reconnaissance Orbiter reveal that the Moon is being pockmarked by meteoroids at a higher rate that previously predicted.
Green Bank is celebrating its 60th birthday by seceding from the National Radio Astronomy Observatory.
Observations confirm that the closest star to our solar system has a regular magnetic cycle similar to our Sun.
Right now 2014 UZ244 lies nearly 14 billion kilometers away, ranking it third among the most distant objects known in the Kuiper Belt.
A new analysis suggests that a subsurface ocean might lie deep beneath the crust of Saturn’s moon Dione.
Amateur astronomy clubs, planetariums, science museums, and parks celebrate Astronomy Day twice a year.
Newly released Hubble images show what appear to be towering jets of water coming from Jupiter's moon Europa.
The historic mission to explore a comet ends in dramatic fashion on September 30th.
This month is your last chance to catch Saturn in the evening sky. But Mars is still hanging around, and Venus is climbing higher each evening.
ALMA, the largest telescope array in the world, took a look at the Hubble Ultra Deep Field, and revealed the cosmic history of star formation.
China recently unveiled FAST, the world's largest single dish radio telescope.
A new e-digest from the International Astronomical Union’s Minor Planet Center gives the public a head’s up on passing asteroids.
The fall equinox (spring equinox for the Southern Hemisphere) comes on September 22, 2016, at 4:02 p.m. Eastern Daylight Time (20:02 UT).
New observations suggest this unstable star let off some steam before its famous 19th century “Great Eruption” . . . but there’s more to the story than meets the eye.
Back in January, a team of observers had a hunch that Comet 332P/Ikeya-Murakami was rapidly falling apart — and they were right!
A team in Argentina unearths a spectacular space rock, possibly the world's third largest single find.
Skywatchers in the Eastern Hemisphere will see tonight's full moon skirt through Earth's dusky outer shadow.
NASA's Curiosity rover took time out from its exploration of Mars to capture some dramatic layering in sandstone cliffs.
Astronomers have caught a galaxy cluster in the prime of its life — perhaps just before it transitions to retirement.