Witnesses and whistleblowers testified that the U.S. government knows more than it is letting on about encounters with UAP during a U.S. congressional hearing on Sept. 9.
As their research activities continued, the Expedition 73 crew had a busy week on the International Space Station with the departure of a cargo vehicle and preparations for the arrival of two more.
Everything about the Infinity Galaxy, recently discovered by the JWST, is strange. One odd feature could be the first evidence of a "direct collapse" black hole.
Ukrainian amateur discovers a bright, new comet now in the evening sky.
Astronomers have discovered a rogue intermediate mass black hole blasting out jets over 3,000 light-years from the heart of its home galaxy, where it would usually lurk.
*Astronomers chart the growth of the Spirograph Nebula over more than a century. *
Protecting astronauts and equipment during missions outside of Earth's protective sphere is critical to successful space exploration. The Moon is a malign environment where powerful solar radiation bombards the surface unimpeded.
Blue Origin and Anduril each received AFRL contracts to deliver rocket-flown cargo to any point in the world within one hour, according to a media report.
Red Mars meets bright Spica in the sunset sky this week.
A SpaceX Crew Dragon atop a Falcon 9 rocket lifts off from Space Launch Complex 40 (SLC-40) for the first time on the Crew-9 mission. Image: Michael Cain/Spaceflight Now
The Federal Aviation Administration and the Department of the Air Force gave the green light for SpaceX to more than double its launch cadence from its workhorse launch pad in Florida and construct a new landing zone for its Falcon rocket boosters.
A SpaceX Falcon 9 rocket lifts off from Space Launch Complex 4 East at Vandenberg Space Force Base on Sept. 10, 2025. It carried 21 satellites for the Space Development Agency’s Tranche 1 Transport Layer, part of the larger Proliferated Warfighter Space Architecture, a low Earth orbit satellite constellation. Image: SpaceX
The Space Development Agency took a big step in realizing a new satellite constellation to support the various branches of the U.S. military and its allies.
Workers at NASA are planning a third "Save NASA" protest at agency headquarters in D.C. on Sept. 15, as job cuts, Trump's union-busting order and FY26 budget proposals fuel fears of lasting damage.
"Although this doesn't rule out the possibility that Enceladus' ocean may be habitable, it does mean we need to be cautious in making that assumption just because of the composition of the plumes."
The LIGO gravitational-wave detector celebrates its 10th birthday with the clearest signal yet from a pair of merging black holes.
It's time to boldly go further than ever before with a Bridge Crew sequel for everyone, whether they have a holodeck strapped to their face or not.
The Pleiades will appear close to the moon before midnight on Sept. 12.
This quiz plunges deep into the wormhole of science fiction, testing your mastery of both cerebral literature and cult-classic cinema.
New research suggests that if primordial black holes exist, there is a 90% chance our telescopes could detect one exploding in the next 10 years.
We built the iconic logo for one of the biggest franchises in cinematic history, in Lego form, but is the Lego Brick Built Star Wars Logo worth your credits?
See the images that won the 2025 Astronomy Photographer of the Year award.
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