Space Exploration

On Oct. 6, 1992, the United States and Russia signed an agreement to share astronauts and cosmonauts on human spaceflight missions. Here's why it mattered.

Google is celebrating World Space Week 2026's Rocket Revolution with a sparkling Google Doodle of the Rosebud Nebula.

On. Oct. 5, 1962, the European Southern Observatory was born! Here's why the network of telescopes atop Chile's Atacama Desert matter.

World Space Week 2026 explores how reusable rockets, new launch vehicles and commercial spaceflight are transforming access to space.

On Thursday (Oct. 1), SpaceX's four-person Crew-13 mission launched toward the International Space Station. Here's a striking IR view of the liftoff.

NASA Administrator Jared Isaacman suggested sightings of unidentified anomalous phenomena might signal another 'Sputnik Moment' looming on the horizon for the United States.

On Oct. 4, 1957, the Soviet Union launched Sputnik 1, the satellite that started the Space Race. Here's why it mattered.

On Oct. 3, 1942, Nazi Germany conducted the first successful test launch of its V-2 rocket, a weapon of war that helped set the stage for the space age.

A new look at ancient rocks suggests that a self-sustaining nutrient cycle in ancient oceans helped keep Earth's atmosphere rich in oxygen for millions of years.

On Oct. 2, 2015, the United Launch Alliance launched its 100th rocket! Here's why one company's rocket milestone mattered.