Brian Koberlein
Astronaut Don Pettit is Serious, He Rigged up Astrophotography Gear on the ISS
Don Pettit is one of the astronauts currently on board the International Space Station. He's also a serious shutterbug and…
Webb Weighs an Early Twin of the Milky Way
Astronomers have used JWST to weigh a galaxy in the early Universe, finding that it has roughly the same mass…
Do the Fastest Spinning Pulsars Contain Quark Matter?
When a massive star dies as a supernova, it can leave behind a pulsar, a rapidly spinning neutron star. The…
Early Earth's Oceans of Magma Accelerated the Moon's Departure
When the Earth was struck by a Mars-sized planet in its early history, it ejected a debris cloud that led…
Tidal Steams of Interstellar Objects May Flow Through the Milky Way Like Braided Rivers
Interstellar objects visit our solar system all the time. A new study shows they likely come in streams of sibling…
High Velocity Clouds Comprise Less of the Milky Way’s Mass Than We Thought
A survey of high velocity clouds in the galactic halo of the Milky Way finds that they make up less…
Do We Really Know What Becomes a Type Ia Supernova?
Type Ia supernovae are crucial to our understanding of cosmology. But we still don't fully understand what causes them.
Observations by DESI Open the Door to Modified Gravity Models
Observations from the Dark Energy Spectroscopic Instrument suggest that the rate of cosmic expansion may be changing over the time.…
Cosmology is at a Crossroads, But New Instruments are Coming to Help
Thanks to Hubble, JWST, and the Planck mission, we're starting to see cracks in the current ideas in cosmology, expressed…
MeerKAT Confirms the Gravitational Wave Background of the Universe in Record Time
Astronomers are collecting evidence for the gravitational wave background of the Universe, caused by merging supermassive black holes. Now, the…