As of Friday, Sept. 19, the moon phase is Waning Crescent, and it is 5% lit up to us on Earth, according to NASA's Daily Moon ...

The Carruthers Geocorona Observatory is the first mission focused on studying changes in the exosphere, the Earth’s outermost ...

The moon and Venus will shine vividly alongside a bright star in the early morning in a celestial rendezvous that should be visible across the U.S.

As Earth passes through the debris trail of Comet 55P/Tempel–Tuttle, the night sky will light up with ten to 15 meteors per ...

In 2005, ESA's Huygens probe landed on Titan, revealing the atmosphere, landscapes, and chemistry of Saturn's moon.

American space agency NASA detailed the changes it made to the Space Launch System (SLS) rocket that will power the Artemis II mission.

NASA’s IMAP mission, led by Princeton University’s David McComas, will study the heliosphere — the invisible electromagnetic ...

A planetary scientist walks through the sensors and systems that went into the recent detection of potential biosignatures.

By capturing the same thing from very different perspectives, a NASA astronaut and an intrepid photographer create a whole ...

An uncrewed mission called Artemis 1 flew around the moon and back again in 2022. Four astronauts aim to do the same next ...

Skygazers, get ready to head outside and spot the supermoon, coming in October.

The final eclipse of 2025 will unfold this weekend, but despite some of the hype online, most of the world will miss the ...