The space agency announced the news Tuesday, saying Williams' retirement took effect at the end of December. NASA astronaut from Needham w...

The Space Shuttle Columbia Memorial is seen during a wreath laying ceremony that was part of NASA’s Day of Remembrance, Thursday, Jan. 23, 2...

NASA astronaut Suni Williams at Cape Canaveral Air Force Station’s Naval Ordnance Test Unit basin in Florida on March 28, 2018. Credit: NASA...

NASANASA announced Tuesday the selection of three new science investigations that will strengthen humanity’s understanding and exploratio...

5 min readPreparations for Next Moonwalk Simulations Underway (and Underwater)NASA’s X-59 quiet supersonic research aircraft flies above P...

NASA’s SLS (Space Launch System) and Orion spacecraft rolled out of the Vehicle Assembly Building at the agency’s Kennedy Space Center in Fl...

As internet conspiracy theories go, this one was exceptionally dumb.

Explore WebbScienceJames Webb Space Telescope (JWST)Intricacies of Helix Nebula…WebbNewsLatest NewsLatest ImagesWebb’s Bl...

All (names) aboard!

The James Webb telescope's search for habitable exoplanets is getting a big boost from its new star-watching companion, Pandora.

CAPE CANAVERAL, Fla. (AP) — NASA’s giant new moon rocket moved to the launch pad Saturday in preparation for astronauts’ first lunar fly-aro...

Mission Artemis plans to send Americans to the moon for the first time since the Nixon administration. (Image credit: Derek Demeter)

NASA's highly anticipated Artemis II mission, which aims to send four astronauts on a lunar voyage, has entered a critical phase of preparat...

The out-and-back trip could blast off as early as February. NASA’s new moon rocket heads to the pad ahead of astronaut launch Boston.com...

NASA's giant new moon rocket is on its way to the launch pad