Lance Bass was kicked off a Russian spaceflight two decades ago—now he’s back

After a 20-Year Search, Scientists Have Finally Found Earth's True Innermost Core

Latitude fires up its engine for the first time. French launch startup Latitude has completed the first hot fire test campaign of its Navier engine. The engine will power the company’s two-stage Zephyr launch vehicle.

Solar Orbiter catches Mercury crossing the sun. Here's the amazing video.