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South Korea’s 1st moon mission liftoff!
South Korea's 1st moon mission launched on August 4, 2022. The mission carries NASA's Shadowcam to seek out water on the moon.
August 4, 2022
Launches and spaceflight updates: Week of August 1, 2022
Launches updates for the week of August 1, 2022: South Korea launches its first moon mission, Elon Musk hints at a date for Starship, and more.
August 1, 2022
What is an astronomical unit?
An astronomical unit - or AU - is a measurement that astronomers use to describe distances in the solar system. Find out how long an AU is here.
July 31, 2022
Enceladus’ ocean not too salty for life
A new study shows that the subsurface ocean on Enceladus is less salty than oceans on Earth. This bolsters the chances of Enceladus' ocean supporting life.
July 29, 2022
Moon caves and pits are a comfy 63 degrees
Scientists announced that moon caves, shaded pits and lava tubes have locations where temperatures hover around a comfy 63 degrees Fahrenheit (17 degrees C).
July 29, 2022
See Mars’ Grand Canyon in stunning new photos
ESA's Mars Express orbiter has taken some stunning new images of Mars' Grand Canyon, Valles Marineris. It is the largest canyon system in the solar system.
July 28, 2022
Webb reveals more record-breaking galaxies
Scientists are finding record-breaking galaxies in Webb images that may have existed when the universe was less than 200 million years old.
July 27, 2022
Why aren’t Jupiter’s rings glorious, like Saturn’s?
Jupiter's rings are not nearly as dramatic as Saturn's. Why? A new study says that the planet's 4 largest moons are to blame.
July 26, 2022
Brilliant fireball over Texas on July 24
A brilliant fireball lit up the skies over Texas on the evening of July 24, 2022. If you witnessed it, click here for a reporting link.
July 25, 2022
Launches and spaceflight updates: Week of July 25, 2022
China launched an unknown payload on Friday (July 29, 2022). An uncontrolled re-entry was planned, for the 2nd time this month.
July 25, 2022
