One Of The Milky Way's Satellites Could Be A "Little Red Dot"
Reported by Universe Today
A tiny dim satellite galaxy of the Milky Way doesn't have enough stars to hold itself together. Its properties suggest that its dark matter halo is holding it together, but new research counters that. Researchers say that it's not dark matter but a massive...
- By: Evan Gough (https://www.universetoday.com/authors/ion23drive)
- On: Wed, 29 Oct 2025 21:28 +0000
To Expand Gravitational Wave Astronomy, Astronomers Look to a Band That's Mid
Reported by Universe Today
Current gravitational wave observatories can't see a range of frequencies known as mid-band. That could change with a new detector that uses a trick from atomic clocks....
- By: Brian Koberlein (https://www.universetoday.com/authors/brian)
- On: Wed, 29 Oct 2025 17:07 +0000
Why the WIMPs Became the Toughest Particle in Physics
Reported by Universe Today
As a kid you ever play that game Guess Who? If you haven’t, it’s actually kinda fun....
- By: Paul Sutter (https://www.universetoday.com/authors/pmsutter)
- On: Wed, 29 Oct 2025 17:02 +0000
X-59 Super-Quiet Supersonic Aircraft Makes Its First Test Flight
Reported by Universe Today
Lockheed Martin Skunk Works has executed the first test flight of the X-59 quiet supersonic aircraft in partnership with NASA. The first flight was subsonic, but eventually the plane will demonstrate technologies aimed at reducing sonic booms to gentle thu...
- By: Alan Boyle (https://www.universetoday.com/authors/cosmiclog)
- On: Wed, 29 Oct 2025 15:35 +0000
When Black Holes Eat Their Own
Reported by Universe Today
Black holes are eating each other and growing fat on the remains! They then seem to move on, finding new partners to devour in what can only be described as a cycle of violence. Two gravitational wave detections from late 2024 have caught these “second g...
- By: Mark Thompson (https://www.universetoday.com/authors/mark)
- On: Wed, 29 Oct 2025 11:09 +0000
Interstellar object 3I/ATLAS is leaving the solar system
Reported by Space | EarthSky
Interstellar object 3I/ATLAS just made its closest pass by the sun. It's now headed out of our solar system. But there are still chances for you to see it!
The post Interstellar object 3I/ATLAS is leaving the solar system first appeared on EarthSky....
- By: Space | EarthSky
- On: Wed, 29 Oct 2025 11:00 +0000