The U.S. Space Force unveiled the new naming scheme that it will use for its spacecraft and space-based weaponry, drawing inspiration from mythology and the natural world.
Every biologist knows how important the Great Oxygenation Event was. It took the first photosynthetic organisms hundreds of millions of years to enrich Earth's atmosphere with oxygen, leading to complex life like us. But before complex, multi-cellular life could appaer, oxygen had to enter the ocean first.
With the Fallout TV show venturing back out into the Wasteland, what better time to rank every Fallout game from worst to best?
The interstellar comet will pass safely by Earth, giving astronomers their best chance to study it up close.
NASA is working to restore communications with its MAVEN Mars Orbiter mission.
30% savings on the Canon 18x50 IS UD all-weather binoculars are great for stable stargazing at a high magnification. They are at their cheapest price ahead of the Christmas holidays in this deal from Amazon, for only $11.
"A bit like dinosaurs on Earth — they were enormous and primitive. And they had short lives, living for just a quarter of a million years."
United Launch Alliance’s Atlas 5 rocket stands at the pad at Space Launch Complex 41 at Cape Canaveral Space Force Station ahead of the launch of the Leo Atlas 04 (LA-04) mission. This is the first launch of Amazon’s broadband internet satellites since its rebrand from ‘Project Kuiper’ to ‘Amazon Leo.’ Image: John Pisani / Spaceflight Now
United Launch Alliance is preparing for its final launch of 2025, a predawn flight of an Atlas 5 rocket carrying 27 satellites for Amazon’s recently re-branded Leo broadband internet service.
Scientists have created the first detailed maps of the sun's atmospheric boundary, where solar material breaks free and streams into space.
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2025 was a landmark year for Europe in space. From celebrating 50 years of ESA to new missions, scientific breakthroughs, the year reaffirmed Europe’s leadership in science, exploration, climate action and innovation.
To develop more robust next-generation aerial explorers, NASA's Mars Exploration program is turning to drones.
The Geminid meteor shower peaked overnight on Dec. 13.
Two commercial spacecraft pulled off a surprise rendezvous in Earth orbit recently, showcasing skills that could pave the way for satellite servicing missions down the road.
I've been fortunate enough to witness the aurora on several occasions over the years, and each sighting leaves an impression that never quite fades. There's something about watching the sky transform from gentle curtains of light into something far more dramatic that stays with you. Within minutes, the aurora can erupt into intense waves of green and red that ripple and dance across the sky. These spectacular events, called magnetospheric substorms, represent some of Earth's most powerful displays of atmospheric electricity and they're exactly the kind of experience that burns itself into memory.
Long before Earth existed, before the Sun ignited, the materials that would eventually become our Solar System drifted through the darkness between stars. These interstellar clouds, vast expanses of ice, gas, and dust stretching across light years, held within them the chemical seeds of everything that would follow; rocky planets, gas giants, and perhaps even life itself. Understanding exactly how those primordial materials transformed into worlds remains one of astronomy's most long standing mysteries.
Anomalous amounts of volatile elements found in the Apollo samples brought back from the moon have been traced back to our own planet's leaky atmosphere.
A “House of Cards” is a wonderful English phrase that it seems is now primarily associated with a Netflix political drama. However, its original meaning is of a system that is fundamentally unstable. It’s also the term Sarah Thiele, originally a PhD student at the University of British Columbia, and now at Princeton, and her co-authors used to describe our current satellite mega-constellation system in a new paper available in pre-print on arXiv.
When 3I/ATLAS is closest to the Earth on Dec. 19, all the features that we are looking for will be easier to detect with our telescopes.
Satellites are emerging as a powerful new tool in the fight to curb emissions of methane. While methane is much shorter-lived in the atmosphere than carbon dioxide, it is vastly more potent at trapping heat, which makes rapid cuts essential for slowing warming in the short term. The same satellite technology that has transformed methane monitoring in the oil and gas sector is now being turned towards another major source – landfill sites.
The Sun is far more than a steadily glowing sphere as our ancestors once thought. Across its surface and atmosphere, countless tiny features flicker in and out of existence, magnetic loops hundreds of times larger than Earth, and plasma flows in ways that still puzzle scientists. Understanding this complexity requires more than just looking harder, it requires looking from multiple angles at once.
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