Some stars don't have planets orbiting them. Here's why.
Space News & Blog Articles
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Asterisms: definition, facts and examples
These unique star patterns aren’t as big as constellations. How else do they compare and what are some recognized examples?
Stargazing with Ice Cold Enthusiasm
A new year — and a clear sky — offers a chance to reconnect with a passion for stargazing.
The Milky Way's outer reaches may have lumpy, choppy arms
The new model presents a contrast to the traditional long, sleek arms presented in images of our galaxy.
Astronaut snaps spectacular shot of crescent moon glowing over stunning sunset
NASA's Earth Observatory has released a photo of a crescent moon above an orbital sunset taken by an astronaut on the International Space Station.
This amazing 4K video is the last view we'll ever have of the James Webb Space Telescope
The newly released 4K video shows the observatory flying away from its rocket toward deep space.
What is the Planck time?
All about the Planck time: where it came from, what it is, and what it might reveal about the way the universe works
New Year’s science in space for a healthier life
Another year passes, and our muscles, bones, eyes and ears deteriorate as we age – even more so in space. Reactions in ESA astronaut Matthias Maurer’s body after barely two months on the International Space Station are giving European scientists clues on how to fight the downsides of growing old on Earth.
Webb’s secondary mirror successfully deployed
Artist’s concept of Webb’s secondary mirror support structure fully extended. Credit: NASA
In another major milestone for the James Webb Space Telescope, a motor-driven tripod unfolded as planned Wednesday, moving a 2.4-foot-wide secondary mirror into position to reflect collected starlight back down to the instruments that will study it.
'The Book of Boba Fett' episode 1 reveals just how he escaped the Sarlacc pit and more
"The Book of Boba Fett" on Disney Plus jumps into the Star Wars bounty hunter's backstory at light speed in episode 1.
Giant hunk of Russian space junk crashes to Earth
The Persei upper stage of a Russian Angara A5 rocket crashed back to Earth in an uncontrolled fashion today (Jan. 5), reentering over the South Pacific at 4:08 p.m. EST (2108 GMT).
Astronomers Find the Biggest Structure in the Milky Way, a Filament of Hydrogen 1,600 Light-Years Long
Roughly 13.8 billion years ago, our Universe was born in a massive explosion that gave rise to the first subatomic particles and the laws of physics as we know them. About 370,000 years later, hydrogen had formed, the building block of stars, which fuse hydrogen and helium in their interiors to create all the heavier elements. While hydrogen remains the most pervasive element in the Universe, it can be difficult to detect individual clouds of hydrogen gas in the interstellar medium (ISM).
Satellite images show epic snowstorm that shut down part of Interstate 95
The nor'easter sent more than 14 inches of snow into the Mid-Atlantic region of the U.S.
James Webb Space Telescope nails secondary mirror deployment
The James Webb Space Telescope successfully extended its secondary mirror as it continues to sail seamlessly through its never-before-conducted deployment sequence on the way to its destination.
Mars helicopter Ingenuity gearing up for 19th Red Planet flight on Friday
The 4-pound (1.8 kilograms) Ingenuity's next Mars sortie will take place as early as Friday (Jan. 7). The little chopper will cruise over a ridge and onto a plateau.
'Orion's Fireplace': Flame Nebula is ablaze with color in stunning new image
Orion's Flame Nebula rings in the New Year in a blazing new photo from the European Southern Observatory (ESO).
JWST Deploys its Secondary Mirror. It’s a Real Telescope Now
Ladies and gentlemen, we have a telescope.
Comet-seeking on Cold, Crunchy Nights
Did the recent apparition of Comet Leonard whet your appetite for more of these beautiful unpredictables? Here are five more you can see with your telescope this season.
Let the space games begin! Ideas for off-Earth sports move to center court
An alliance of experts in space, sports and the entertainment industry are designing and developing original games exclusively for low or microgravity playing fields.
Einstein's theory of general relativity
Albert Einstein's theory of general relativity is based on the idea that massive objects cause a distortion in space-time, which is felt as gravity.
China’s Tianwen-1 Spacecraft Took a Selfie Using a Tiny, Secondary Spacecraft
Remember how China’s Tianwen-1 spacecraft released a remote camera to take a picture of itself during its flight to Mars, back in late 2020? Now in Mars orbit, Tianwen-1 has done it again, releasing another mini remote camera. Except this time, the planet Mars is part of the view.
