Thousands of enthusiasts, professionals and curious skywatchers will gather this weekend for the world’s largest and most spectacular astronomy and space expo.
The Artemis 2 heat shield undergoing inspections at the Kennedy Space Center before installation on the base of the Orion capsule bringing four astronauts back to Earth Friday after a flight around the moon. The heat shield is designed to protect the craft from re-entry temperatures as high as 5,000 degrees. Image: NASA.
When the Artemis 2 Orion crew capsule returns to Earth after flying around the moon, it will hit the discernible atmosphere some 75 miles above the Pacific Ocean at a blistering 24,000 mph, fast enough to fly from New York to London in less than 10 minutes.
A newly released NASA timelapse reveals the moon crossing the sun as seen from deep space, giving the Artemis 2 crew a rare extended view of totality and the solar corona.
The nebular hypothesis states that stars and the planets that orbit them form from the same reservoir of material, called a solar nebula. It's the most commonly accepted explanation for how solar systems form. But despite its ability to explain many things about solar system formation, there are some outstanding questions.
A rare long-period comet returns after 170,000 years — here's how to find comet C/2025 R3 (Pan-STARRS) before sunrise this April, with key dates, viewing tips and the best mornings to look.
The Vera C. Rubin Observatory will discover up to 500,000 solar system objects every year. It’s already starting to deliver on that promise.
We chat with "For All Mankind" creators Ben Nedivi and Matt Wolbert about season 5's dramatic arc, scientific accuracy, and real-world parallels.
Artemis 2 is the first crewed lunar mission in over 50 years, but the cameras onboard are surprisingly down-to-earth. Here's how to get your hands on the gear that has brought us so many stunning shots of space.
Space is getting crowded - and not just with satellites, but with the massive amounts of data they’re generating. The amount of information being generated and passed through orbit is exploding. From high-resolution Earth observation images to global maritime monitoring, it’s also become a critical link in our infrastructure. But there’s another space this growing crowd of satellites is dependent on that is also filling up fast - the radio frequency spectrum. If we want to keep expanding our orbital infrastructure, we need to rethink how we move data around. On March 30, 2026, the European Space Agency (ESA) supported a series of eight CubeSats and one specialized payload on SpaceX’s Transporter-16 rideshare mission with the overarching goals of testing high-throughput laser communication, inter-satellite networking, and in-orbit artificial intelligence processing to make space data transfer faster, more secure, and vastly more efficient.
Earth shines above the lunar horizon in a new Artemis 2 photo.
Gravitational waves may have provided the first tantalizing evidence of tiny primordial black holes born during the Big Bang, which could account for dark matter.
Live coverage of Artemis 2's splashdown begins this evening as four astronauts return from their historic 10-day mission around the moon.
The Artemis 2 astronauts will return to Earth this evening (April 10) with a splashdown in the Pacific Ocean. Here's where they'll hit the water, and why that spot was chosen.
Artemis 2 splashes down on April 10. Here's everything you need to know.
It's splashdown day for NASA's Artemis 2 moon astronauts. Here's what to expect at every stage.
A thin crescent Moon points the way to super-difficult Mercury and Mars low in the dawn, then the opposite crescent plays with bold Venus and the Pleiades in evening twilight.
Image: This Copernicus Sentinel-2 image captures an active lava flow on the Piton de la Fournaise volcano on Réunion Island.
The European Space Agency has achieved a European first with Celeste, successfully transmitting a navigation signal from low Earth orbit, following the launch of the mission’s first satellites on March 28.
On August 19, 2022, solar astronomers using the Daniel K. Inouye Solar Telescope (DKIST) on the Hawaiian island of Maui caught the fading remnants of a C-class solar flare. Their observations showed something unusual: very strong spectral fingerprints of calcium II H and hydrogen-epsilon lines. It was the first time these two light signatures were seen in great detail during the decline of a solar flare. According to computer models, those lines were stronger than expected and play a not well-understood role in how flares heat the solar atmosphere where they occur. The same models can be used to study flares in other stars, as well.
'We all thought that movie was really uplifting and inspiring.'
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