For generations, humans have gazed at the stars and wondered about the ultimate fate of the Universe. Will it expand forever into the cold emptiness, or meet a more dramatic end? A new study published by physicists from Cornell University, Shanghai Jiao Tong University, and other institutions suggests we may finally have an answer, and it's surprisingly specific.
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High-Speed Gas Clouds Fuel Star Formation in Depleted Galaxies
Galaxies have an overall internal motion called disk velocity. It's how gas, dust, and stars move around the galactic center. It's not a single value but a velocity profile that varies depending on distance from the center. When astronomers spot something in a galaxy that's not moving according to the disk velocity, it catches their attention. That's what happened with M83.
Machine Learning is Surprisingly Good at Simulating the Universe
At the RIKEN Center for Interdisciplinary Theoretical and Mathematical Sciences (iTHEMS) in Japan, the showdown between artificial intelligence and supercomputers has begun. It was here that Riken researchers, along with an international team of colleagues, used machine learning to enhance a simulation of galaxy evolution. The results were compared to direct numerical simulations, like those typically run on supercomputers, and AI won this round! In addition, this approach could shed light on the origins of the Milky Way and the elements essential to life as we know it.
Very massive stars vomit vast amounts of matter before collapsing into black holes
Very massive stars are cosmic "rock stars" that live fast, die young and leave black holes in their place. During this transformation, they may vomit out more stellar material than we knew.
Peering Into a Starburst Galaxy With the JWST
When it comes to star formation, not all galaxies are the same. Some are quenched, meaning they've depleted their star forming gas and form very few new stars. Some, like the Milky Way, are typical and form stars at an average rate. But some are extremely active, and form stars so readily they're called starburst galaxies.
A Star Detonated as a Supernova... Twice
All supernovae are massively energetic stellar explosions. The classic supernovae are massive stars that explode near the end of their lives, leaving behind either a neutron star or a black hole, and a remnant made of expanding gas and dust. But supernovae are not all the same. Some occur in binary systems, and they're called Type 1a supernovae. As it turns out, some of these Type 1a SNe can detonate twice.
James Gunn's sci-fi movies ranked, worst to best
With Superman on its way, we take a look at director James Gunn's incredible slate of sci-fi movies to date.
Best Fujifilm lenses in 2025: Level up your Fujifilm camera this Amazon Prime Day
Want to make the most of your Fujifilm camera? We've rounded up the best Fujifilm lenses, now with expected savings on Amazon Prime Day this July 8.
See the bright star Spica close to the waxing gibbous moon on July 3
Spica is a binary star system that orbits over 250 light-years from Earth within the Milky Way.
Best Fujifilm cameras 2025: Save big on these models this Amazon Prime Day.
These are the best Fujifilm cameras from beginner to professional grade, with some models potentially falling in price on Amazon Prime Day from July 8 to 11.
Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields
Private lunar landing: How Blue Ghost measured the moon's electric and magnetic fields
ESA tracks rare interstellar comet
Astronomers have confirmed the discovery of a rare celestial visitor: a comet from beyond our Solar System.
How to see China's Tiangong space station and the ISS in the predawn sky this week
The International Space Station and China's Tiangong Space Station will be visible for early risers. Here's how to make a dual sighting.
'An exceedingly rare event': See a pair of nova explosions shining in the southern sky this week.
Both novas will eventually become too dim to see, even under the darkest skies. So catch them while you can!
Rare breed of exploding star discovered by citizen scientists in cataclysmic find
With the aid of citizen scientists, astronomers have discovered an erupting cataclysmic variable star in a rarely seen evolutionary stage.
Early Amazon Prime Day big saving on the Celestron NexStar 8SE — the cheapest price it's been since January
Save $200 on the best telescope for viewing the planets — the Celestron NexStar 8SE has a huge discount this Prime Day
ULA begins stacking its 1st Vulcan rocket supporting a national security mission
United Launch Alliance (ULA) hoists its Vulcan first stage booster into the Vertical Integration Facility-G (VIF-G) adjacent to Space Launch Complex-41 at Cape Canaveral Space Force Station, Florida, on Oct. 22, 2024. The rocket will launch the USSF-106 mission for the U.S. Space Force’s Space Systems Command, Vulcan’s first national security flight. Image: United Launch Alliance
A little more than a week after its most recent Atlas 5 rocket launch, United Launch Alliance rolled a Vulcan booster to the Vertical Integration Facility at Cape Canaveral Space Force Station in Florida on Wednesday morning to begin stacking its first post-certification Vulcan rocket.
See Vega-C rocket's 3rd stage hoisted for upcoming launch | Space photo of the day for July 3, 2025
The Zefiro-9 was hoisted in preparation for the Vega-C flight VV27.
Watch Russia's Progress 92 cargo ship launch toward the ISS today
A Russian Progress cargo spacecraft will launch toward the International Space Station this afternoon (July 3), and you can watch the action live.
The best Fourth of July and early Amazon Prime Day space tech deals on the market
These are our picks of the best space tech deals you can get ahead of Fourth of July and Amazon Prime Day with offers on telescopes, star projectors and more.
New interstellar comet 3I/ATLAS is hurtling through the solar system — and you can watch it live online today
3I/ATLAS is the third-ever interstellar object discovered.
