Astrophysicists are mapping a vast, hidden structure in the gas around the Sun that behaves like a tunnel carved through ...

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

Oceans hiding within the crusts of distant moons are tantalizing targets for scientists looking for life beyond Earth ...

The Artemis II mission, which could launch as early as February, is expected to send four astronauts on a trip to the moon, ...

Katy has a BA in Humanities and Philosophy, with over 20 years of experience in online and print publishing. She was named ...

Space-based solar power could deliver clean electricity day and night, but launch costs, safety, and scale remain major ...

3I/ATLAS, the third-ever interstellar object to bump into the solar system since 1I/Oumuamua (2017) and 2I/Borisov (2019), has been baffling the world with its bizarre behavior ever since Asteroid ...

Investment firms have put over $100 million into developing risky technologies that could cool the planet with unknown side ...

From stranded astronauts to secret moons to space photos that were once impossible to consider, here are the top space ...

From a small island off the coast of Panama to the farthest reaches of space, the Smithsonian advanced our knowledge of the ...

Explore This SectionEarthEarth ObserverEditor's CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn ...

Explore This SectionEarthEarth ObserverEditor's CornerFeature ArticlesMeeting SummariesNewsScience in the NewsCalendarsIn ...