The sun's corona, or its outer atmosphere, is hundreds of times hotter than its surface, and it's still not clear exactly what that should be the case.
James Webb has once again peered into the atmosphere of an exoplanet, and this time it has identified indications that the planet could be covered in ocean.
On Friday, September 15, a crew of three astronauts will be launching on a Russian Soyuz rocket headed for the International Space Station. Here's how to watch.
The Swift Observatory caught a new phenomenon: a black hole snacking on a star -- not totally destroying it, but pulling off material and nibbling away at it.
The instrument team for the Solar Orbiter's ultraviolet camera have found a new way to make use of the instrument to help it peer into the sun's atmosphere.
MOXIE is a small box inside the rover which takes in carbon dioxide and converts it into oxygen. After 16 successful runs, the experiment has been concluded.
The FAA has completed its investigation in the explosive test flight of the Starship in April and made a list of 63 corrective steps required before it can fly.
Following a six month stay in space, four astronauts are readying to return home from the International Space Station this Sunday. Here's how to watch.
The James Webb Space Telescope has provided one of the most detailed views yet of the stunning supernova remnant SN 1987A, created from a destructive explosion.
A Russian spacecraft has crashed into the moon. The plan had been for the Luna-25 spacecraft to land on the moon's surface in the area around the south pole.
Researchers used Hubble to observe Neptune's clouds to investigate a mystery: why sometimes the planet had plentiful clouds and at other times had barely any.
A program called Every Known Nearby Galaxy is using Hubble to observe every galaxy located within 10 megaparsecs of Earth that has not yet been imaged.
The InSight lander mission ended last year, but its data reveals some surprises about Mars, including the fact that the planet is rotating faster every year.
This weekend sees the opportunity to catch the best meteor shower of the year, as the Earth passes through a cloud of debris from a comet called Swift–Tuttle.
