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Will comet 73P/Schwassmann-Wachmann survive its March 16 sweep near the sun, or disintegrate into a trail of cosmic dust?
During Friday’s penumbral eclipse of the moon, an observer in Puerto Rico captured images of a black disk moving across the moon’s face.
Theoretical studies predict 100 million to 1 billion black holes in our Milky Way galaxy. So far, astronomers have found about 60. A serendipitous discovery could lead to finding more.
Green Comet 45P has been in our sky for months and passed closest on February 11, 2017. It’s a faint one, but intrepid astronomers have captured some wonderful images!
Space visionaries might have figured out a way to travel within decades to the nearest star system, Alpha Centauri. But, once we get there, how do we slow down?
In 1 calendar month, 3 eclipses are rare. But in 1 lunar month, 3 eclipses are are more common. From 2000-2050, it happens 14 times.
This year, in 2017, there are 12 full moons and 12 new moons, but only four eclipses – two lunar and two solar.
Early Monday morning, thousands of people across multiple northern U.S. states watched a brilliant meteor streak across the sky. It then plunged into Lake Michigan.
The February 9, 1913 meteors crossed the sky in formation, on nearly identical paths. Their pace across the sky was described as “stately” and “measured.”
Retrograde motion of Jupiter or Mars or Saturn in our sky is an illusion, caused by Earth’s passing these slower-moving outer worlds. But there’s a real retrograde motion, too.
Go young moon hunting this week
Favorite photos: Ring of fire eclipse