A SpaceX Falcon 9 rocket carrying 24 Starlink satellites launched from Vandenberg Space Force Base in California on Friday, July 18, 2025.
Astronomers have discovered an object at the edge of the solar system that is locked in a strange rhythmic dance with the ice giant Neptune.
Stars of all ages and masses emit electromagnetic energy in different ways, and these emissions attract the attention of astronomers. Each of these emissions is a clue to how stars form, evolve, and even die. Young stars are known for their high luminosity and their high level of activity. They have strong stellar winds and powerful magnetic fields.
One of the world’s most powerful instruments reveals interstellar comet 3I/ATLAS as it heads towards perihelion.
Our understanding of the Universe begins with the Big Bang, a moment in time where the Universe began expanding into what we see around us now. Big Bang nucleosynthesis describes how only the lightest elements were created originally: hydrogen, helium, and a tiny bit of lithium. For elements heavier than those, which astrophysicists call metals, a generation of stars had to live and die.
Multiple space agencies plan to return astronauts to the Moon by the end of this decade. Along with commercial and international partners, these efforts aim to create infrastructure that will ensure a "sustained program of lunar exploration and development." This includes NASA's Artemis Program, China's International Lunar Research Station (ILRS), and the ESA's Moon Village, all of which consist of creating lunar habitats around the South Pole-Aitken Basin. Providing power for these bases is a significant challenge given the cycle of lunar day and night, which lasts for two weeks at a time.
Two teams of astronomers have simultaneously discovered a strange, spinning dead star that seems to defy our current understanding of both neutron stars and white dwarfs.
File: A SpaceX Falcon 9 rocket stands in the launch position during sunset at Space Launch Complex 4 East (SLC-4E) at Vandenberg Space Force Base in California. Image: SpaceX
SpaceX is preparing for a rare launch of its Starlink Version 2 Mini satellites into a polar orbit shortly after sunset on Friday night.
The Southern Delta Aquariids are active alongside the trusty Perseid meteor shower.
"The mountaineer defies gravity; the astronomer looks up. Both seek to reach the unreachable."
'I'm trying to make it as realistic as possible, so that a modern day Scottish person could see themselves in space one day.'
The Expedition 73 and Axiom Mission 4 crews wrapped up their time together as science and maintenance activities continued aboard the International Space Station.
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On Friday 18 July, His Excellency Christian Stocker, Federal Chancellor of Austria, visited ESA Headquarters in Paris receiving a tour of the site from Director General Josef Aschbacher.
A meteorite impact thousands of years ago may have triggered a landslide in the Grand Canyon and reshaped the Colorado River that runs through the national park.
Baumgartner is most well-known for breaking the sound barrier with his body during a freefall from the stratosphere in 2012.
Rise and shine! Venus, Aldebaran and the moon team up for a dazzling dawn display.
Hulu released a new trailer for "Alien: Earth," a new sci-fi horror miniseries from "Fargo" creator Noah Hawley that premieres on Aug. 12.
As astronomers rush to study a newly discovered comet from beyond our solar system, a powerful new observatory may turn rare interstellar sightings into routine events.
We've tested numerous star projectors and one of the best value options, the YGiTK Northern Galaxy Lights projector, is 26% off on Amazon, now under $14.
Astronomers have used the Chandra X-ray telescope to observe an exoplanet as it disintegrates because its parent star is bombarding it with radiation.
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