"If they were purely made up of stars, they would be the densest galaxies in the universe."
Chinese commercial firm CAS Space launched its first Lihong-1 suborbital flight and recovery test mission, seeing a...
The four members of the SpaceX Crew-11 mission are shown suited in their intra-vehicular activity (IVA) flight...
In 2026, astronauts will travel around the moon for the first time since the Apollo era, powerful...
"Our study provides a new direction to understand the whole evolutionary history of massive stars toward the...
How solid is our understanding of exoplanet habitability? Are the ideas of an Optimistic Habitable Zone and...
"It's hopeful about the future, and we need that optimistic enthusiasm right now."
When President John F. Kennedy stood before Congress in May 1961 and declared that the United States...
A delay in one European Space Agency mission is creating an opportunity for an earlier, and more...
A SpaceX Falcon 9 carrying 29 Starlink satellites launched from the Cape Canaveral Space Force Station in...
What exists beneath the surface of Jupiter’s icy moon, Callisto? This is what a recent study accepted...
Don’t say the c-word. Global temperatures soared in 2025, but a NASA statement published Wednesday alongside its...
Two towering buildings that helped launch humanity’s greatest space achievements came down on January 10 at NASA’s...
Brief, brilliant flashes of blue light occasionally appear across the universe, burning hundreds of times brighter than...
Since the James Webb Space Telescope (JWST) went into operation, red dots in its images have puzzled...
"We're seeing what could be described as an energetic tug-of-war inside the black hole's accretion flow."
For decades, astronomers believed that the most massive stars in the universe lived fast and died quietly,...
Spectacular clouds swirl across the surface of Jupiter. These clouds contain water, just like Earth’s, but are...
If you stayed in a hotel last night, there’s a good chance you saw that familiar placard...
Using the Subaru Telescope’s wide-field camera, astronomers have discovered a previously unknown structure surrounding a tiny satellite...