All motion is relative. That simple fact makes tracking the motion of distant objects outside our galaxy particularly challenging. For example, there has been a debate among astronomers for decades about the path that one of our nearest neighbors, the Large Magellanic Cloud (LMC), took over the last few billion years. A new paper from Scott Lucchini and Jiwon Jesse Han from the Harvard Center for Astrophysics grapples with that question by using a unique technique - the paths of hypervelocity stars.
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As our black hole images get more detailed, we may find Einstein wasn't quite right about them
Albert Einstein's theory of gravity, general relativity, may not be the best recipe to describe black holes.
NASA will unveil new images of interstellar comet 3I/ATLAS on Nov. 19. Here's how to watch live
The big reveal will come Wednesday (Nov. 19) at 3 p.m. ET.
Ministerial Council 2025
Ministerial Council 2025
Watch: HydroGNSS, IRIDE and Greek mission satellites launch
The European Space Agency’s HydroGNSS, a twin-satellite mission to gather data on Earth’s water cycle, is scheduled to launch on 19 November at 19:18 CET (10:18 Pacific Time). Live coverage of the launch will be shown on ESA Web TV.
How Dark Energy Changed Cosmology Forever
Let’s rewind the clock back…oh, I don’t know, let’s say a hundred years. It was 1917, and Einstein had just developed his general theory of relativity. It was a masterpiece, giving us our modern day view of the gravitational force. And like anybody curious about gravity, Einstein decided to apply his new equations to the evolution of the universe.
'Superheated' stellar factory in the early cosmos is producing stars 180 times faster than the Milky Way
"Even though it's the first time we've seen a galaxy like this, we think that there could be many more out there."
Capturing A Supernova Explosion Only Hours After It Began
The details of a supernova explosion are still clouded in mystery and subject to vigorous debate. What exactly happens when they explode? What underlying mechanisms are involved? New observations of a supernova with the European Southern Observatory's Very Large Telescope are removing some of the mystery.
'Star Wars Battlefront' at 10: How DICE's reboot captured the feel of 'Star Wars' like no other game before or since
The first post-Disney Star Wars game didn't reach the gameplay highs of the originals, but it took us to a galaxy far, far away in spectacular, and almost photorealistic fashion.
Orbiting satellite uses AI to reorient itself in 'major step towards full autonomy in space'
An AI-powered controller on an orbiting satellite executed real-world attitude adjustments in space, showing that AI can fly satellites autonomously.
FAA lifts ban on daytime rocket launches after government shutdown ends
Now that daytime launches can resume, expect SpaceX to pick up the pace of its Starlink launches.
Searching For Exoplanets In The Remnants Of A Dwarf Galaxy
Our search for exoplanets is focused on Milky Way stars. It's been successful, with more than 6,000 detected so far. Scientists are even beginning to move beyond mere detections, and working on characterizing other characteristics of these planets, especially their atmospheres.
SpaceX Starship timeline delays astronaut moon landing for NASA's Artemis 3 mission to 2028: Report
At this rate, Starship will not be ready in time for NASA's schedule.
'Invasion' showrunner Simon Kinberg on Season 3's cliffhanger finale and high hopes for Season 4 (exclusive)
'In many ways this was our 'The Guns of Navarone' season and they completed their mission'.
Chinese astronauts to get replacement spacecraft after debris strike leaves them without a ride home
China has a launch date for an uncrewed spacecraft that will replace one damaged by space debris while docked at the Tiangong Space Station.
Mars spacecraft images pinpoint comet 3I/ATLAS's path with 10x higher accuracy. This could help us protect Earth someday
This is great news for planetary defense.
Is an aurora cruise worth it? I joined Hurtigruten's Signature Voyage to find out
Sailing through Arctic Norway under the aurora, this voyage redefines what cruising and chasing the northern lights can really be.
Advent Calendar versus Gingerbread AT-AT: Which new Lego Star Wars set should you get for Christmas 2025?
Two new Christmas-themed Lego Star Wars sets are on the market, but which should you get this holiday season, the Advent calendar or the Gingerbread AT-AT?
Astrophotographer spies an ancient supernova remnant shining in the wing of a cosmic swan (photo)
The Eastern Veil Nebula is part of a colossal supernova remnant known as the Cygnus Loop.
ESA investigates high-stakes Amazon tipping point
For decades, the Amazon rainforest has quietly absorbed vast quantities of human-generated carbon dioxide, helping to slow the pace of climate change. Recent evidence, however, suggests that this vital natural buffer may be weakening – though uncertainties remain.
Satellite captures destructive power of Hurricane Melissa | Space photo of the day for Nov. 17, 2025
The image shows the difference in temperature between the top of a hurricane and the bottom.
