During its July 26, 2005, launch, cameras captured a large piece of foam falling from space shuttle Discovery's fuel tank.

'I believe that we, as a crew, saved space station Mir that day' ...

I've got another revision this week to my list of astronauts who have been at public events in San Luis Obispo County. This ...

India defends E20 gasoline, saying ethanol blending strengthens energy security without widespread engine damage.

At least until last year, all—or nearly all—elected party leaders attended, which was seen as a sign of respect both for the institution and for this historic anniversary. But now even that tradition ...

FAA plans to streamline commercial space licensing by easing environmental reviews—cutting delays and costs for launch providers as investment surges.

Following an aborted liftoff attempt last week, SpaceX’s Starship megarocket soared on the second test of its .V3 prototype.

Bad weather foiled SpaceX's latest attempt to launch its Starship rocket from South Texas on a mission it calls flight 13.

They’re less dense than cotton candy, and they will help astrophysicists better understand the most unusual ways giant planets can form. By Rebecca Dzombak A New Jersey couple helped scientists ...

🦭 Sea lion investigation ⚠️ Dangerous rip currents ⛈️ Hurricane Genevieve 🧬 San Diego vs. San Francisco biotechs 🚗 Balboa Park parking ...

Ars Technica has been separating the signal from the noise for over 25 years. With our unique combination of technical savvy and wide-ranging interest in the technological arts and sciences, Ars is ...