Astronomers now routinely discover planets orbiting stars outside of the solar system — they're called exoplanets.
Reference See the phase of the moon tonight and the rest of the moon phases for 2022, and when you can see them.
The underground ocean of Saturn's moon Enceladus may contain significant amounts of phosphorus, which is vital for life as we know it.
An astrophotographer takes an epic composite image of Jupiter, NASA slams a spacecraft into an asteroid, and Hurricane Ian is monitored from space. These are some of this week's top stories.
NASA slams into an asteroid, astronomers analyze ancient mega-supernovas and an astronaut watches Hurricane Ian from space. These are some of this week's top stories.
Newly discovered records of solar eclipses seen in the Eastern Mediterranean reveal how Earth's motion has evolved.
Martian ice caps dip and rise and it may be evidence of liquid water lurking underneath them But what keeps that water from freezing?
A wormhole is like a tunnel between two distant points in our universe that cuts the travel time from one point to the other.
Hurricane Ian regained strength as it barreled toward South Carolina on Friday (Sept. 30) after passing over NASA's Kennedy Space center spaceport in Florida a day earlier.
An odd shield of supercharged gas protects dwarf galaxies from being ripped apart by the gravitational pull of the Milky Way, 30 years' worth of observations by the Hubble Space Telescope reveal.
A machine-learning algorithm has helped astronomers discover thousands of gravitational lenses predicted by Einstein.
NASA's Juno spacecraft skimmed close above the surface of icy Europa Thursday (Sept. 29), capturing a view of the crust that is just the start of our new study of this ocean world.
NASA's Jupiter explorer Juno has made a close flyby of the giant planet's ice-covered moon Europa, providing the most detailed views of this strange world in more than twenty years.
Stars differ in size, luminosity and distance from us. We discuss how astronomers measure these three values to understand the three-dimensional sky.
The James Webb Space Telescope and its older counterpart Hubble photographed the impact of NASA's asteroid-smashing DART probe into the space rock Dimorphos on Monday (Sept. 26).
NASA, SpaceX and Hubble officials will hold a press conference today (Sept. 29) to discuss "potential commercial space opportunities for NASA science missions," and you can listen live.