Space Exploration

SpaceX will attempt to launch its Starship megarocket to orbit for the first time on Sept. 28. Here's what time Starship Flight 14 will launch.

The UN's International Court of Justice could help stop the uncontrolled proliferation of satellites in Earth's orbit, which threatens to erase stars from the sky, astronomers hope.

SpaceX's Starship megarocket will attempt to go orbital for the first time ever on Monday morning (Sept. 28), and you can watch the historic action live.

On Sept. 27, 1997, NASA's Mars Pathfinder mission beamed its very last data transmission back to Earth. Here's why it mattered.

SpaceX launched its third national security flight of the month today (Sept. 26), sending up the USSF-385 mission for the U.S. Space Force.

On Sept. 26, 1983, a Russian Soyuz rocket exploded on the launchpad, triggering the first ever launch abort escape for a human crew. Here's why it mattered.

The devout SpaceX fan in your life might be calling off work on Monday.

Rocket Lab launched a radar satellite for the Japanese company Synspective's Strix imaging constellation from New Zealand on Friday night (Sept. 25).

Freezing drops of water accelerating through space could hold the truth about life beyond Earth.

On Sept. 25, 2008, China's space program launched its third human spaceflight mission, Shenzhou 7, which included the country's first spacewalk. Here's why it mattered.