In a recent study, researchers determined that about 1% of all the "normal" (that is, not dark) matter in the universe is bound up inside black holes.
Space News & Blog Articles
Martha Stewart helps NASA pick Deep Space Food Challenge winners
NASA and the Canadian Space Agency have named the winners of the first Deep Space Food Challenge, a contest that sought novel food technologies.
Latest Vega launch paves way for Vega-C
Arianespace announced liftoff of Vega’s twentieth flight from Europe’s Spaceport in French Guiana at 9:27 GMT (10:27 CET; 06:27 local time). Vega delivered three CERES payloads for the French Ministry of the Armed Forces.
Live coverage: Vega rocket counting down to launch from French Guiana
Live coverage of the countdown and launch of a Vega rocket with the French military’s CERES electronic intelligence-gathering satellites. Text updates will appear automatically below. Follow us on Twitter.
“Irresponsible” Russian Anti-Satellite Test Creates Orbital Debris Field, Endangering the Space Station and Crew
Early Monday, November 15, 2021, the International Space Station Flight Control team in Houston told the crew that due to a to satellite breakup, a debris field was created near the station’s orbital path. The astronauts and cosmonauts were told to “shelter in place” on board the Soyuz and SpaceX capsules attached to the ISS.
Leonid meteor shower: Bright fireballs in November
The Leonids take place every year in November. Once a generation, it is possible for a storm of meteors to occur with a peak of about 1,000 an hour – or even more.
NASA chief Bill Nelson condemns Russian anti-satellite test
NASA Administrator Bill Nelson has condemned a Russian anti-satellite test on Monday (Nov. 15) that put the International Space Station at risk of colliding with the resulting debris.
U.S. officials: Space station at risk from ‘reckless’ Russian anti-satellite test
A view of the International Space Station captured Sept. 28 by a cosmonaut on the Soyuz MS-18 spacecraft. Credit: Roscosmos
Russia shot down an old Soviet-era military spacecraft Monday in a test of an anti-satellite weapon, scattering hundreds of thousands of debris fragments that will remain in orbit for years or decades, U.S. government officials said.
Vega rocket will launch 3 satellites for the French military early Tuesday. Watch it live!
The French military plans to launch three new satellites into Earth orbit early Tuesday (Nov. 16), and you can watch it live here.
Journey into the making of 'Dune' with Insight Edition's 'The Art and Soul of Dune' (exclusive)
Insight Editions delivers an exclusive look into the creative process of Denis Villeneuve's "Dune."
Interstellar visitor 'Oumuamua wasn't a nitrogen iceberg, Harvard astrophysicists say
The interstellar visitor 'Oumuamua might not be a nitrogen iceberg after all. But what is it?
NASA will spend $93 billion on Artemis moon program by 2025, report estimates
NASA's spending on its Artemis program of crewed lunar exploration will reach a total of $93 billion by 2025, according to a new audit by the NASA Office of Inspector General.
Russian anti-satellite test a 'dangerous and irresponsible' act that threatens astronauts, US says
Russia conducted an anti-satellite test (ASAT), generating hundreds of thousands of pieces of debris and threatening the safety of astronauts on the International Space Station, the U.S. confirmed.
A chunk of a Chinese satellite almost hit the International Space Station. They dodged it — but the space junk problem is getting worse
The satellite exploded into more than 3,500 pieces of debris, most of which are still orbiting.
Black holes may be growing as the universe expands
The hypothesis could help to explain the weird discrepancies spotted in space-time ripples from enormous black hole collisions.
Astronomy Jargon 101: Electromagnetism
In this series we are exploring the weird and wonderful world of astronomy jargon! There’s a lot to see with today’s topic: electromagnetism!
Satellites discover huge amounts of undeclared methane emissions
Huge amounts of uncounted emissions of highly warming greenhouse gas methane are being released by "super-emitters," satellite observations reveal.
Our Complete Guide to November’s ‘Almost Total’ Lunar Eclipse
Friday morning’s partial lunar eclipse will flirt with with totality, as the longest for more than a century.
A Black Hole has been Found Lurking Just Outside the Milky Way
Astronomers have found a smaller, stellar-mass black hole lurking in a nearby satellite galaxy of our own Milky Way. The black hole has been hiding in a star cluster named NGC 1850, which is one of the brightest star clusters in the Large Magellanic Cloud. The black hole is 160,000 light-years away from Earth, and is estimated to be about 11 times the mass of our Sun.
Kessler Syndrome and the space debris problem
Here's a brief look at the Kessler Syndrome, which describes a snowballing cascade of space junk.
North America Favored for This Week's Deep Partial Lunar Eclipse
North American observers can watch the Moon turn a reddish hue as it flirts with Earth’s shadow on the night of November 18–19 in the longest partial eclipse of the century.