NASA started the countdown clock for Artemis II while SpaceX lined up another launch with a record-setting booster.

The countdown to the Artemis II launch has begun! When is Artemis II launching? What time is takeoff? Who are the astronauts? Here's how to watch the livestream.

The prospect of armed conflict extending into orbit has shifted from science fiction to a concrete concern for defense planners and diplomats. Multiple governments are now building or testing tools ...

(The Center Square) – The countdown has begun, for the first time in more than 50 years, NASA is launching a lunar mission in preparation for humans landing on the moon once again. The Artemis II is ...

SpaceX is preparing for what could be the largest IPO in U.S. history, with valuations between $1.25 trillion and $1.8 ...

Countdown clocks began ticking Monday, setting the stage for launch of the Artemis II moon mission early Wednesday evening.

Four astronauts are set to lift off Wednesday on a journey around the moon — the first such mission in more than 50 years.

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Emily A. Margolis, Smithsonian Institution (THE CONVERSATION) While I was leading a ...

Forecasters continue to predict an 80% chance of favorable weather on Wednesday for the launch of four astronauts on a flight to the moon.

Add Yahoo as a preferred source to see more of our stories on Google. NASA’s Space Launch System rocket for the Artemis II mission stands on the mobile launcher inside the Vehicle Assembly Building at ...