Canadian artist Gustav Hahn painted his impression of what the 1913 Great Meteor Procession looked like.…
Are grooves on Uranus’ moon Ariel evidence for an ocean?
View larger. | NASA’s Voyager 2 spacecraft captured this view of Uranus’ moon Ariel on January…
Europa Clipper Tests its Star Tracker Navigation System
On October 14th, 2024, NASA’s Europa Clipper mission launched atop a Falcon Heavy rocket from Launch…
Meet Quipu, the largest structure in the universe
The colored dots represent different superstructures out to 800 million light-years (250 megaparsecs) from Earth. The…
Starlink satellites reentering Earth’s atmosphere in increasing numbers, creating artificial meteor showers
Starlink satellites are re-entering Earth’s atmosphere in increasing numbers, producing artificial meteor showers visible in the…
The Local Interstellar Cloud: Characteristics and Significance
Map of the Local Interstellar Cloud and neighboring G-Cloud. About 1% of the Milky Way’s mass…
Why the Odds of an Asteroid Striking Earth in 2032 Keep Going Up (and Down)
Since December, astronomers have been carefully studying whether an asteroid between 130 and 300 feet long…
The Moon has Two Grand Canyons, Carved in Minutes by an Asteroid Impact
Our Moon continues to surprise us with amazing features. Scientists recently shared new information about two…
Is Methane the Key to Finding Life on Other Worlds?
How would detecting methane help astronomers identify if exoplanets, or even exomoons, have life as we…
Space Junk Could Re-Enter the Atmosphere in Busy Flight Areas
In the more than 60 years since the Space Age began, humans have sent more than…