Our Milky Way galaxy may be surrounded by 100 undetected 'orphan' galaxies
New research suggests that the Milky Way should be surrounded by as many as 100 undetected tiny and faint "orphan" galaxy companions.
If aliens existed on Mars 3.7 billion years ago, they would have needed umbrellas
"Our work is a new piece of evidence that suggests that Mars was once a much more complex and active planet than it is now."
Colossal eruption carves 250,000-mile-long 'canyon of fire' into the sun (video)
A massive filament eruption carved a 250,000-mile-long "canyon of fire" into the sun — and sent a CME sailing into space.
Why is the moon's far side so weird? China's lunar sample-return mission may have figured it out
The impact that carved out the moon's huge South Pole-Aitken basin may explain the puzzling differences between the lunar near and far sides.
SpaceX launches 26 Starlink satellites into low Earth orbit from California
A SpaceX Falcon 9 rocket launched 26 Starlink internet satellites into low Earth orbit after lifting off from Vandenberg Space Force Base in California on July 15, 2025.
The precursors of life could form in the lakes of Saturn's moon Titan
New research indicates that cellular "pockets" that are the first step toward protocells, the precursors of life, could form in the methane seas of Saturn's moon Titan.
SpaceX launches 3rd batch of satellites for Amazon's Project Kuiper megaconstellation (video)
SpaceX launched 24 of Amazon's Project Kuiper broadband satellites early Wednesday morning (July 16), the 56th anniversary of the Apollo 11 liftoff.
Revenge of the Savage Planet is an 'upbeat, optimistic dystopia' that pulls no punches on our corporate overlords (interview)
'We had an idea for a meat planet' — Revenge of the Savage Planet game director Alex Hutchinson talks strange new worlds and mocking corporate spaceflight.
The Perseid meteor shower kicks off summer 'shooting star' season this week. Here's how to see it
Each summer, skywatchers around the world look forward to the famous Perseid meteor shower, but often overlook four lesser showers that peak between July 29 and Aug. 16.
'Boldness is all!' — 'Murderbot' is getting a season 2 on Apple TV+
Apple TV's excellent adaptation of Martha Wells’s witty sci-fi novels scores another mission as Murderbot is renewed for season 2.
Astronomers hike up Mount Blanc for the view | Space photo of the day for July 15, 2025
Four mountaineers and astronomy lovers hiked the tallest peak in Western Europe.
SpaceX will launch next Starship flight in 'about 3 weeks,' Elon Musk says
SpaceX plans to launch the 10th test flight of its Starship megarocket about three weeks from now, according to company founder and CEO Elon Musk.
Deals you missed on Prime Day — get these extended deals now before they are gone
These Prime Day deals on telescopes, binoculars, cameras, Lego, model rockets and drones are still live on Amazon right now.
This exclusive NordVPN offer allows you to stream, download and work online anywhere in the world with complete safety, with 79% off, free bonus months of access and a $50 Amazon voucher
Our exclusive NordVPN deal gives you complete online security and convenience for a 79% discount, four free bonus months and a $50 Amazon voucher.
Trump's 'Big Beautiful Bill' pushes for crewed moon missions, but proposed budget cuts leave NASA science behind
The U.S. government's "One, Big Beautiful Bill" Act finds funding for Artemis and Lunar Gateway, but nearly half of NASA's science missions are on the chopping block ahead of the 2026 budget.
The largest Mars rock on Earth is up for auction in NYC — it could be yours for $4 million (or more)
The largest Mars rock on Earth will soon be auctioned off in NYC, and could sell for at least $2 million.
Astronomers discover giant alien planet 35 times more massive than Earth hiding in a known star system
"It remains possible that there are other unseen planets in the system. The challenge is finding them!"
Private Ax-4 astronauts splash down aboard SpaceX capsule to conclude ISS mission (video)
The four astronauts of Axiom Space's latest private mission have safely returned to Earth after more that two weeks aboard the International Space Station.
China launches new spacesuits, other supplies to Tiangong space station (video)
A Long March 7 rocket lifted off this evening (July 14), sending China's Tianzhou 9 cargo spacecraft toward the Tiangong space station.
Ravenous 'vampire' stars may use cosmic accomplices to help devour stellar victims
Astronomers have discovered that vampire white dwarfs that feast on victim companion stars have assistance in acquiring prey in the form of lurking third stars.