There may not be as nearly as many small galaxies in the early universe as astronomers predict there should be, which has big implications for the story of how our universe grew up.
SpaceX's Crew-11 astronauts will leave the International Space Station today (Jan. 14) in the first-ever medical evacuation from the orbiting lab, and you can watch it live.
This year offers an interesting mix of celestial coverups: a total solar eclipse viewable from Spain and two deep lunar
eclipses (one total, one not quite) visible across North America. The fourth, an annular solar eclipse, will be confined to the bottom of the world.
File: A SpaceX Falcon 9 rocket stands at Space Launch Complex 40 (SLC-40) at Cape Canaveral Space Force Station ahead of the planned launch of the Starlink 6-71 mission. Image: Spaceflight Now
SpaceX aims to launch a Falcon 9 rocket from Cape Canaveral Space Force Station on Wednesday afternoon, but faces difficult weather.
Galaxy clusters aren’t supposed to be scorching hot when they’re young. Like infants, they should need time to mature before developing their full characteristics. Astronomers using the Atacama Large Millimetre/submillimetre Array have just discovered that nature doesn’t always follow the same script.
Galaxies don’t always die dramatically. Sometimes they fade away, slowly strangled by the very black holes at their hearts. Astronomers using the James Webb Space Telescope and the Atacama Large Millimetre Array have caught one such death in progress, revealing a surprisingly subtle method of galactic murder.
Newborn stars aren’t gentle. They blast ionised gas into space, carving luminous paths through the darkness. NASA’s Hubble Space Telescope has just captured fresh images of one of these stellar outbursts, showing bright ribbons of pink and green gas stretching across 32 light years of space.
The GPS III Space Vehicle 09, the ninth GPS III spacecraft, is pictured traveling by road from Lockheed Martin facilities in Denver, CO, to Florida’s Space Coast. Image: Lockheed Martin
The next Global Positioning System satellite is switching from a United Launch Alliance Vulcan rocket to a SpaceX Falcon 9, a spokesperson for the U.S. Space Force’s Space Systems Command System Delta 80 said Tuesday.
NASA and the U.S. Department of Energy have firmed up their commitment to develop a nuclear reactor for use on the surface of the moon by 2030.
The four astronauts of SpaceX's Crew-11 mission will leave the International Space Station on Jan. 14, in the first-ever medical evacuation from the orbital lab. Here are the details.
Two new smallsat missions, named SPARCS and BlackCAT, promise to examine stellar flares and explosions in the early universe.
NGC 1333 is a reflection nebula in the Perseus Molecular Cloud. The cloud is relatively nearby in astronomical terms, only about 1000 light-years away. The nebula is a very active star-forming region, and since it's so close, it's very well-studied. Most of the cloud is basically invisible, but NGC 1333 is one of two visible structures.
'It felt really warm and welcoming. It was a lovely atmosphere the whole time.'
Betelgeuse is the star that everybody can't wait to see blow up, preferably sooner than later. That's because it's a red supergiant on the verge of becoming a supernova and there hasn't been one explode this close in recorded human history. It's been changing its brightness and showing strange surface behavior, which is why astronomers track its activity closely. Are these changes due to its aging process? Do they mean it's about to blow up? Probably not.
"It points to a slow starvation rather than a single dramatic death blow."
Bit by bit, scientists are piecing together Mars' climate history. Thanks to orbiters armed with powerful cameras and rovers carrying suites of scientific instruments, the red planet's history is becoming clearer year-by-year. In the past decade or so, evidence of Mars' ancient habitability is becoming more and more convincing.
"Microgravity pushed evolution into corners of the phage we still don't fully understand"
"This result shows that the Event Horizon Telescope is not only useful for producing spectacular images, but can also be used to understand the physics that govern black hole jets."
The Orion Nebula is the closest large star-forming region, located within the Milky Way just 1,500 light-years from Earth.
Space apparently changes your frame of mind in more ways than one.
NASA is returning four astronauts to Earth early from the International Space Station due to a medical concern with one of the Crew-11 astronauts. Here's the latest news.
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