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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Group photo taken at the General Assembly on Defence, Space and Cybersecurity, held on Friday 12 September 2025, at ESRIN, ESA’s Centre for Earth Observation Programmes in Italy.
Forecasters warn of possible G2 geomagnetic storms as a colossal coronal hole sends solar wind racing our way.
NASA's experimental X-59 jet is designed to fly faster than sound —but also dampen the infamous sonic "boom."
Neutrinos are one of the most enigmatic particles in the standard model. The main reason is that they’re so hard to detect. Despite the fact that 400 trillion of them created in the Sun are passing through a person’s body every second, they rarely interact with normal matter, making understanding anything about them difficult. To help solve their mysteries, a new neutrino detector in China recently started collecting data, and hopes to provide insight on between forty and sixty neutrinos a day for the next ten years.
NASA Acting Administrator Sean Duffy pushed back against recent claims that the agency is losing ground to China in the race back to the moon, promising the Artemis program will get astronauts there first, in a closed NASA town hall.
Venus has double close conjunctions with the crescent Moon and Regulus in the dawn next Friday the 19th. Meanwhile, Saturn and Neptune are coming to opposition.
The story begins in 2024 when NASA's Perseverance rover became the first to photograph a visible light aurora from Martian surface. Now, Dr. Elise Wright Knutsen and her team from the University of Oslo has revealed a second successful image and, more importantly, the method her team developed to forecast when these Martian northern lights will appear.
White dwarfs are the dense, hot cores left behind when Sun like stars die. Imagine squeezing the entire mass of our Sun into something the size of Earth, that’s a white dwarf and our Sun will become one in the distant future. These stellar corpses are incredibly dense, with just a teaspoon weighing as much as a large car.
The search for habitable planets in other star systems has progressed considerably in the past few decades. As of the writing of this article, astronomers have confirmed the existence of 5,989 planets in over 4,500 planetary systems, with over 15,000 candidates yet to be confirmed. At the same time, next-generation observatories like the James Webb Space Telescope (JWST) have made amazing breakthroughs in exoplanet characterization. Unfortunately, scientists are still not at the point where they can characterize smaller planets located closer to their suns, where Earth-like planets are likely to reside.
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