SpaceX has stood down from Tuesday's launch of the Falcon Heavy, marking the third such delay since Sunday. It's now targeting Wednesday evening for launch.
A beautiful supernova remnant, Cassiopeia A, was recently imaged by the James Webb telescope. See how the observation compares to a previous MIRI image.
SpaceX is preparing the latest launch of its triple-booster Falcon Heavy rocket, which will carry an experimental space plane to orbit for the U.S. Space Force.
The Hubble Space Telescope recently suffered a glitch that made it go into safe mode. On Friday, NASA will attempt to get the telescope up and running again.
Exactly 25 years ago, the U.S. Unity module linked together with Russia’s Zarya module in Earth orbit, marking the beginning of the International Space Station.
It's always a tense moment for NASA as it comes to fly its Mars helicopter after a long break, but the plucky aircraft performed just fine on its latest trip.
Astronomers have discovered a star system in which six planets orbit one star in an elaborate geometrical pattern due to a phenomenon called orbital resonance.
The James Webb Space Telescope investigated a disk that could be forming rocky planets, even though nearby massive stars are pumping out significant radiation.
The Hubble Space Telescope has a problem with its hardware and is currently in safe mode, with science operations paused until the fault can be corrected.
A year has passed since NASA's Artemis I mission sent the new Orion spacecraft all the way to the moon, and then beyond, setting a new record in the process.
NASA is investigating the possibility of more helicopters for future Mars missions, and recently shared a peek at its testing of new Mars helicopter hardware.