Universe Today
Exomoons Defy Discovery
Why Was it Tricky to Know the Distances to Galaxies JWST Was Seeing?
Psyche Gives Us Its First Images of Space
What Would a Modern "Golden Record" Include?
Amateur Astronomers Found Planets Crashing Into Each Other
Why 2023 is a Fine Year for the Geminid Meteors
One of the best meteor showers of the year puts on a fine display in 2023.
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15 Years of Data Reveal the Events Leading Up to Betelgeuse's "Great Dimming"
A Giant Stream of Stars is Flowing in Deep Space
Scientists Found Evidence Of A Nearby Kilonova 3.5 Million Years Ago
What Could a Next Generation Event Horizon Telescope Do?
Iran Sent a Capsule Capable of Holding Animals into Orbit.
Did the Last Great Galactic Merger Create the Milky Way's Bar?
About 8-11 billion years ago, a dwarf galaxy merged with the Milky Way, adding 50 billion solar masses of stars, gas, and dark matter. The object is known as the "Gaia Sausage" because of the extended stream of stars found using ESA's Gaia mission. Astronomers think the Milky Way's central bar formed roughly the same time as the merger. A new paper suggests that merging with the Gaia Sausage triggers the formation of the Milky Way's bar and the build-up of its disk.
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A Star Near the Center of the Milky Way is a Visitor from Beyond
The International Space Station Celebrates 25 Years in Space
Fly Slowly Through Enceladus' Plumes to Detect Life
OSIRIS-REx Failed to Deploy its Drogue Chute Properly. Now NASA has Figured out Why
In 1872, a Solar Storm Hit the Earth Generating Auroras from the Tropics to the Poles
For its Final Trick, Chandrayaan-3 Brings its Propulsion Module to Earth Orbit
ESA's Ariel Mission is Approved to Begin Construction
Communicating With a Relativistic Spacecraft Gets Pretty Weird
