Think you know your constellations? See how many star groups you can name in 10 minutes and try to top the leaderboard.

Few moons are as large as Earth's in relation to their planet. While it's impossible for a moon to be bigger than its planet, ...

The Dark Energy Spectroscopic Instrument uses a telescope in Tucson, Arizona, to create a map of the universe's ...

Curiosity NavigationCuriosity HomeMission OverviewWhere is Curiosity?Mission Updates ...

"This is useful to uncover leftovers from galactic interactions,constraining the hierarchical process of cosmic structure ...

As the Pentagon’s latest report on UFO’s reveals hundreds of new reports of unidentified and unexplained aerial phenomena, ...

The most obvious celestial marvel, and of course the easiest to admire, is none other than our very own moon. Dutifully showing up in the sky almost every night ... You've probably seen the James Webb ...

Two of them, the irregular galaxy NGC 3109 and the irregular dwarf Sextant ... times the area of the full moon in the sky, was the key instrument that allowed these images to be made in a ...

Hubble Space TelescopeHomeNASA's Hubble Sees… Hubble Space Telescope Hubble HomeOverviewAbout HubbleThe History of ...

This lunation marks the final time a full moon will rise while Pluto, our death daddy planet of karmic reckoning, is in Capricorn. Beginning next week, the dark dwarf will set up shop in Aquarius ...

Landing 12 people on the moon remains one of NASA's greatest achievements, if not the greatest. Astronauts on the Apollo missions of the 1960s and '70s collected rocks, took photos, performed ...

A spider pulsar is a pulsar with a companion, usually a red dwarf, a brown dwarf, or even a planetary-mass object. They're called spider pulsars because it's as if the pulsar spins a web of ...