The large scale structure of the universe is dominated by vast empty regions known as cosmic voids. These voids appear as holes hundreds of millions of light years across in the distribution of galaxies. However, new research shows that many of them may surprisingly still be filled with dark matter.
Space News & Blog Articles
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Close Encounters of the Third Kind Holds Up Forty-five Years Later
It might be rapidly approaching 50 years old, but Close Encounters of the Third Kind is still a masterpiece of sci-fi cinema.
Major breakthrough in pursuit of nuclear fusion unveiled by US scientists
American researchers have achieved a major breakthrough paving the way toward nuclear fusion energy generation, but major hurdles remain.
We Have Ignition! Fusion Breakthrough Raises Hopes — and Questions
For the first time ever, physicists have set off a controlled nuclear fusion reaction that released more energy than what was put into the experiment.
Boom! Watch an inflatable space station module explode on video
Sierra Space performed a "burst pressure" test on a space station module prototype, to prepare for future development on the Orbital Reef station for NASA.
Asteroids Didn’t Create the Moon’s Largest Craters. Left-Over Planetesimals Did
The Moon’s pock-marked surface tells the story of its history. It’s marked by over 9,000 impact craters, according to the International Astronomical Union (IAU.) The largest ones are called impact basins, not craters. According to a new study, asteroids didn’t create the basins; leftover planetesimals did.
NASA's Mars Perseverance rover records 1st-ever audio of Red Planet dust devil
Perseverance has captured the sound of dust grains impacting the NASA rover, and the recording could be key to understanding how dust is transported around Mars.
The Geminid meteor shower peaks tonight. Here's how to see it
The Geminid meteor shower will peak overnight tonight (Dec. 13 and Dec. 14), producing anywhere from 60 to 120 meteors per hour.
Arianespace targets triple satellite launch today
Arianespace plans to bring three satellites aloft from French Guiana on Tuesday (Dec. 13), and the nearly two-hour launch window opens at 3:30 p.m. EST.
Amateur astronomers challenged to spot an asteroid for Christmas
On Thursday (Dec. 15), an asteroid that could be as large as the Great Pyramid of Giza will pass Earth. Amateur astronomers are challenged to spot the asteroid.
Final frontier: 'Star Trek: Nemesis' marked the end of an era 20 years ago today
2002's "Star Trek: Nemesis" blows out the candles on its big 20th birthday today.
'Quantum time flip' makes light move simultaneously forward and backward in time
The time-flipped photon can't be used to restage "Back to the Future," but it could help us figure out some of the universe's most mysterious phenomena.
Relive NASA's Artemis 1 moon mission with this epic highlight reel
Ride to space and back again in the Artemis 1 footage, which showcases views of Earth, the moon and NASA's new Space Launch System rocket.
NASA's retired flying telescope heads to museum
After eight years of science missions, the Stratospheric Observatory for Infrared Astronomy (SOFIA) aircraft has found permanent residence at the Pima Air & Space Museum in Arizona.
Artemis I: liftoff to splashdown
Video: 00:01:11
The uncrewed Artemis I test flight saw Orion travel around the Moon and farther than any spacecraft designed to carry humans and return them to Earth. Artemis is the international lunar exploration programme that is taking humankind to the Moon. This first mission provided a first test of both NASA’s Space Launch System (SLS) and the Orion moonship that was propelled by the European Service Module’s 33 engines beyond the Moon and into deep space. Future European Service Modules will provide electricity, propulsion and cabin thermal control for astronauts on lunar missions as well as breathable atmosphere and drinking water.
MTG-I1 rolled out and good to go
With liftoff set for today at 21:30 CET, the Ariane 5 rocket carrying the first Meteosat Third Generation Imager, MTG-I1, satellite is poised patiently on the launch pad at Europe’s Spaceport in French Guiana while the final checks are being carried out. Once in geostationary orbit, 36,000 km above the equator, this new satellite is set to herald a new era for meteorology.
Orion Splashes Down in the Pacific Ocean, Completing the Artemis I Mission
On December 11th, at 09:40 a.m. PST (12:40 p.m. EST), NASA’s Artemis I mission splashed down in the Pacific Ocean off the coast of Baja California. The return of the uncrewed Orion spacecraft marks the end of the Artemis Program’s inaugural mission, which launched on November 16th and validated the spacecraft and its heavy launch vehicle – the Space Launch System (SLS). During its 25.5-day circumlunar flight, the Orion spacecraft traveled more than 2.25 million km (1.4 million mi) and flew beyond the Moon’s orbit, establishing a new distance record.
US Air Force launches 1st operational hypersonic missile
The United States Air Force has successfully tested its first prototype hypersonic missile, the AGM-183A Air-launched Rapid Response Weapon, or ARRW.
Webb Completes its First “Deep Field” With Nine Days of Observing Time. What did it Find?
About 13 billion years ago, the stars in the Universe’s earliest galaxies sent photons out into space. Some of those photons ended their epic journey on the James Webb Space Telescope’s gold-plated, beryllium mirrors in the last few months. The JWST gathered these primordial photons over several days to create its first “Deep Field” image.
Supernova algorithm classifies 1,000 dying stars without error
A newly developed algorithm is helping astronomers search through massive amounts of data from Zwicky Transient Facility categorizing powerful cosmic explosions called supernovas.
Pesky 'leap second' will be abolished by 2035
An international group of experts has voted to retire the leap second by 2035.
