Spica is a binary star system located 250 light-years from Earth in the constellation Virgo.

Astronomers discovered a new class of cosmic explosions known as "extreme nuclear transients" that are the most powerful phenomena known,

The main trailer for FX's Alien: Earth has Xenomorphs, a synthetic-human hybrid, and some new extra-terrestrial creatures we weren't expecting.

The spiral galaxy NGC 5907 is positioned edge-on to Earth.

A neutron star's final moments may spark violent starquakes, monster shock waves, and even a fleeting, never-before-seen object called a

4 min readPreparations for Next Moonwalk Simulations Underway (and Underwater) A lot can change in a year for Earth’s forests and

Expedition 71 Flight Engineer and NASA astronaut Jeanette Epps poses for a portrait inside the seven-window cupola, the International

Jack Kaye [NASA HQ—Associate Director for Research, Earth Science Division (ESD)] has decided to retire on April 30, 2025, following

Explore This Section Earth Earth Observer Editor’s Corner Feature Articles Meeting Summaries News Science in the News Calendars In Memoriam Announcements More Archives Conference Schedules Style Guide 3 min read In Memoriam: Dr. Stanley Sander Dr. Stanley

Neurodegenerative diseases like Alzheimer's are a growing concern in the U.S., with over 7 million Americans living with Alzheimer's disease