Nat” Chris Mentrek invites anyone interested in astronomy to sign up and log on for his free virtual programs this spring.

NASA's AROW tool lets you follow the Orion spacecraft's every move — including tonight's historic lunar flyby, the first by humans since 1972.

How long do planetary nebulae last on average? What are some of the controlling factors? Doug KaupaCouncil Bluffs, Iowa To understand how long a planetary nebula remains visible, we first need to ...

The Orion ship transporting the Artemis II crew in their moon flyby is poised to travel beyond Apollo 13’s distance record, ...

NASA faces the possibility of steep cuts again as the FY 2027 budget request proposes a 23% reduction in overall funding and ...

The Eberly Telescope Dark Energy Experiment (HETDEX) has discovered tens of thousands of gigantic hydrogen gas halos, called ...

The Artemis II crew lifted off at 6:35 p.m. ET on Wednesday, April 1.

Follow live updates as NASA's Artemis II crew members circle the moon in the Orion spacecraft. The astronauts lifted off last ...

Gerardo Aldana is a professor at University of California, Santa Barbara. Our Living Lands producer Daniel Spaulding spoke to ...

Carl Sagan's work in astronomy is often associated with unlocking the grand mysteries of the universe and the search for ...

The four astronauts concluded a historic journey around the lunar far side that included their greatest distance from the ...