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SpaceX just caught the giant first-stage booster of its Starship megarocket — and it plans to do the same with the vehicle's upper stage soon.

Troubleshooting the leaking ISS is ongoing, with NASA and Russia now identifying 50 "areas of concern" and four cracks, according to a media report.

Solar Cycle 25 remains in its maximum phase, and more powerful sun storms are likely to come over the next few months, experts say.

Fission technology is well established in power generation and nuclear-powered submarines, and its application to drive or power a rocket could one day give NASA a faster, more powerful alternative to chemically driven rockets.

The nations signed up to the Artemis Accords are looking to spread the word on common principles and best practices on exploring outer space.

U.S. company Vast has unveiled Haven-2, its proposed commercial successor to the soon-to-be-retired International Space Station.

SpaceX launched two Starlink satellite missions just hours apart today (Oct. 15), one of which was the company's 100th liftoff of the year.

The "first page" of an incredible cosmic atlas being built by the Euclid Space Telescope has been released. The millions of stars and galaxies represent just 1% of the 3D map the mission will create.

The largest full moon of 2024 rises this week when the Hunter's Supermoon takes to the sky on Wednesday (Oct. 16), becoming officially full the next morning.

Leaders of major space agencies stated grand plans for the near future at the International Astronautical Congress in Milan, while noting concerns regarding Earth and the space environment.

Whether discovering exoplanets or measuring the size of an asteroid, cubesats are affordable throughout the space community, even to small startup, private companies and university laboratories.

The growing number of rocket launches and satellites burning up in Earth's atmosphere could trigger the world's next big environmental emergency.

A preview of the upgraded "Predator: Hunting Grounds" release for PS5 and Xbox X/S.

An exclusive interview with "Infinite Cosmos'" astrophysicist author Ethan Siegel.

Does HTC's latest VR headset get the red light, or the green light?

A video preview of Julien's "Bid Long & Prosper" "Star Trek" exhibition and auction.

NASA has extended its CAPSTONE moon mission through December 2025, allowing the cubesat to continue its pioneering exploration work.

Scientists know quite a bit about the surface of Mars from robotic missions, but there are still many unexplored geologic features that could tell researchers more about the solar system’s formation.

NASA's $5 billion Europa Clipper probe overcame huge obstacles, including a switch to an entirely different rocket, to launch toward Jupiter. Here's how it happened.

Europe's Mars Express and Trace Gas Orbiter missions captured a variety of cryptic surface features poking through melting ice across the Red Planet's south pole as spring hit the region.