Best friendly aliens: From Superman to Stitch, these are the friendliest extra-terrestrials from sci-fi movies and TV
In honor of the live-action 'Lilo & Stitch', we look back at 12 extra-terrestrials who came in peace.
Fred Espenak, astronomy's 'Mr. Eclipse', dies at 71
Astronomy has lost one of its most assiduous calculators of eclipses with the passing of astronomer Fred Espenak, known widely as "Mr. Eclipse."
NOAA expects up to 5 major hurricanes in 2025: 'Be prepared'
The 2025 Atlantic Hurricane season expected to be busier than normal, according to NOAA forecasters.
Black holes could work as natural particle colliders to hunt for dark matter, scientists say
Supermassive black holes could act as natural particle accelerators, helping humanity investigate dark matter.
When the sun dies, could life survive on the Jupiter ocean moon Europa?
New research suggests there may be a narrow window of possibility for life to persist on the icy moons of the outer solar system.
SpaceX launches 23 more Starlink satellites from Florida (video)
A SpaceX Falcon 9 rocket launched 23 satellites for the company's Starlink constellation from Cape Canaveral, Florida on June 3, 2025.
Northern lights may be visible from these 13 US States tonight
Auroras may be visible from Alaska to Oregon as geomagnetic storm conditions start to wane.
Satellites are polluting Earth's atmosphere with heavy metals. Could refueling them in orbit help?
In-orbit servicing and refueling could help curb the environmental harm done by the space industry. But will operators subscribe to the greener business model? The jury is out.
AI could solve puzzles posed by twin stars in 'mere minutes or seconds on a single laptop'
A newly designed, AI-powered program could solve the puzzle of binary stars in mere seconds using a common laptop, a process that currently takes supercomputer clusters weeks.
Two space vets added to Astronaut Hall of Fame as one awaits launch
The U.S. Astronaut Hall of Fame just held its annual induction ceremony, but one of this year's two honorees could not attend for a reason unique to all past enshrinements.
What's at the center of Mars? Maybe the stench of rotten eggs
Mars' core formed within just a few million years, scientists say compared to the hundreds of millions or even billions of years that it took for Earth's core to form — it also might smell like rotten eggs.
$800 million, 13 years, and still no release date — the state of Star Citizen in 2025
As Star Citizen approaches a billion dollars in funding and with no full release date in sight, we take a look at its history and the current state of this ambitious space epic.
Incredible auroras delight stargazers in New Zealand | Space photo of the day for June 2, 2025
Aurora Australisa, or the "southern lights" was on full display on June 1, 2025, as spectators outside Christchurch, New Zealand witnessed firsthand.
Private Japanese spacecraft aims to land in the moon's 'Sea of Cold' this week
Tokyo-based company ispace aims to land its "Resilience" spacecraft in the moon's Mare Frigoris ("Sea of Cold") region on June 5, notching a big milestone for Japan and for commercial spaceflight.
The Milky Way may not collide with neighboring galaxy Andromeda after all: 'From near-certainty to a coin flip'
A collision between the Milky Way and neighboring galaxy Andromeda is far from a sure thing; in fact, it could hinge on the flip of a cosmic coin.
Northern lights may be visible in these 15 US States tonight
Auroras may be visible from Alaska to Massachusetts geomagnetic storm conditions continue.
Amateur astronomer captures ghostly outer shell of the Cat's Eye Nebula (photo)
The planetary nebula is located 3,000 light-years from Earth in the constellation Draco.
Don't miss the half-lit first quarter moon rise tonight: Here's what to look for
The first quarter moon is the perfect opportunity to explore shadowed craters lining the terminator.
Turning the Red Planet green? It's time to take terraforming Mars seriously, scientists say
A new study debates the complex ethical questions that must be considered if we're to terraform Mars and lays the blueprint for a potential path forward.
Predator: Badlands: Release date, plot, trailers & everything we know about Predator's silver screen return
After the success of Prey, Predator returns to the big screen with Predator: Badlands, a new theatrical movie set in the far future on another world.