Experience the Aug. 12, 2026 total solar eclipse from Spain and Iceland with festivals, spa sessions and skywatching events along the path of totality.
The Artemis 2 astronauts are back on Earth, and they've begun processing their historic moon mission. But it's still tough for them to put the experience into words.
On March 25, 1938, a 31-year-old physicist named Ettore Majorana bought a ticket for a ferry from Palermo to Naples. That night, before boarding, he sent a letter to Antonio Carrelli, director of the Naples Physics Institute:
On Episode 205 of This Week In Space, Rod Pyle and Tariq Malik discuss the flight of Artemis 2.
Northrop Grumman's second "Cygnus XL" cargo ship launched toward the International Space Station on Saturday morning (April 11).
NASA doesn't plan to rest on its laurels after the historic success of its Artemis 2 moon mission. Here are the agency's ambitious plans for Earth's nearest neighbor.
Today, at 17:07 local time on 10 April (01:07 BST/02:07 CEST 11 April), NASA’s Orion spacecraft and its crew splashed down safely in the Pacific Ocean, marking the end of the Artemis II mission. ESA’s European Service Module powered this historic mission that took four astronauts around the Moon and back for the first time since Apollo 17 in 1972.
NASA's Artemis 2 astronauts came home today (April 10), wrapping up an epic mission that broke spaceflight records and set the stage for even more ambitious moonshots to come.
Ten undergraduate students from the University of Chicago made an astounding discovery using data from the Sloan Digital Sky Survey (SDSS). As part of their "Field Course in Astrophysics," they located one of the oldest stars in the Universe living in the Milky Way. The star, SDSS J0715-7334, is a red giant with 29 times as much mass as our Sun, located 79,256 light-years away. But here's where things truly get interesting: according to their findings, this star wasn't born in the Milky Way, but migrated here from another galaxy. The team is led by Professor Alex Ji, the deputy Project Scientist for SDSS-V, and graduate teaching assistants Hillary Andales and Pierre Thibodeaux.
Jupiter and Saturn, the two largest planets in the Solar System, are known for their large and varied systems of moons. At present count, Jupiter has more than 100 moons, while Saturn has more than double that, with over 280 known satellites. However, Jupiter's system of satellites includes four large moons - Io, Europa, Ganymede, and Callisto - and this system contains the largest moon in the Solar System (Ganymede). Meanwhile, Saturn's system of satellites is dominated by one large moon (Titan), the second largest in the Solar System.
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.
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