Mercury is shrinking faster than we thought. What’s going on inside of it?
Wrinkles on the surface of Mercury have revealed that the closest planet to the sun is shrinking faster…
The space economy can’t scale on bespoke power systems
There’s a lot of discussion right now about launch costs dropping and access to space expanding. That’s true.…
APOD: 2026 September 10 – LDN 1295: The Giraffe Nebula
Explanation: What does this image look like to you? Many see a giraffe facing right, with neck stretched high and…
Harvest Moon, supermoon and meteor showers: Celestial events to watch in coming months
People will be able to observe a variety of celestial activities in the coming months. One of the…
A Harvest Moon with 5 planets on the side: September is the best month for stargazing, and this year is extra special
There may be no better month to get outside and look at the stars than September, when warm…
Consortium announces plans for billion-dollar AI-enabled satellite imaging constellation
PARIS — A group of companies announced plans Sept. 9 for a constellation of AI-enabled imaging satellites projected…
APOD: 2026 September 10 – LDN 1295: The Giraffe Nebula
APOD: 2026 September 10 – LDN 1295: The Giraffe Nebula Discover the cosmos! Each day a different image…
The moon may have formed in just 5 hours, new simulations suggest
The moon may have formed in as few as five hours after the cataclysmic collision between Earth and…
Earth May Not Be a Cosmic Fluke, New Simulations Suggest
This artist’s impression shows the temperate planet Ross 128 b, with its red dwarf parent star in the…
How 2 US, European Satellites Are Studying Hurricanes During El Niño
Last November, NASA and its European partners launched the Sentinel-6B satellite to improve hurricane forecasts, help protect infrastructure,…
New Revelations About the Origin of Interstellar Comet 3I/ATLAS
Ever since 3I/ATLAS buzzed through the Solar System, swinging by Earth and then looping around the Sun, scientists…
SpaceX Sinks 5% as $47.2B Insider Share Unlock Hits the Tape, AST SpaceMobile Drops 4%, Rocket Lab Slips 2%
Quick Read SPCX fell 5% as a $47.2B insider share unlock became eligible for sale, dragging ASTS down…