Earth welcomes temporary new moon
Scientists say the traveling companion will only stick around for a few weeks.
NASA's Webb telescope detects traces of carbon dioxide on the surface of Pluto's largest moon
The latest detection is key to studying how Charon and other icy objects in the Kuiper Belt came to be.
Kitt Peak celebrates 60 years of public tours
Public telescopes reopen after COVID, fires caused closures on the mountain.
A celestial trifecta: What to know about Tuesday’s lunar eclipse
Stargazers will be in for another celestial treat Tuesday night as three cosmic events will occur at the same time during the full moon.
Cassini orbited Saturn 20 years ago this summer
The robotic explorer made historic discoveries about the ringed planet and its moons.
Lunar surface science literally hit-or-miss in 2024
But scientists expect more high profile attempts to land on the moon later this year.
Volunteers who lived in a NASA-created Mars replica for over a year have emerged
Participants entered the 3D-printed Mars replica on June 25, 2023, as part of a NASA experiment to observe how humans would fare living on the Red Planet.
James Webb Space Telescope looks at planet-forming process
The stellar observatory continues to help scientists develop theories about the universe.
Hubble will change how it points, but NASA says 'great science' will continue
Officials say they are shifting into a new way of pointing the telescope in order to work around a piece of hardware that’s become intolerably glitchy.
UA telescope grabs ground-breaking images of Jupiter's volcanic moon
The photos are the best Earth-based pictures to reveal lava flows on Io.
NASA has been asked to create a time zone for the moon. Here's how it would work
As the world prepares for a new space race, the Biden Administration is calling on NASA to create a moon-based time standard.
Sun, moon, and spectacle: Thousands flock to UA mall for solar eclipse
The last total solar eclipse that could be seen in the United States was in 2017.
The 'devil comet' is visible in the night sky, and is sticking around for the eclipse
A rarely-seen comet with a reputation for colorful flare-ups is once again visible from Earth.
Put your mark on the Moon via new NASA rover mission
The spacecraft is designed to carry names on a microchip.
Bennu sample goes on display in Tucson
It is older than any rock found on the Earth or the Moon so far.
