The dual test of engines on the giant Starship and Super Heavy rocket stages at SpaceX's Starbase proving ground in Boca Chica, Texas on Friday comes as the company prepares for its third Starship ...

Watch SpaceX douse a steel plate with water and then blast Raptor engine fire into it. The private spaceflight company's Super Heavy and Starship rockets are powered by 39 total Raptor engines ...

On Tuesday, Stoke Space announced the firing of its first stage rocket engine for the first time earlier this month, briefly igniting it for about two seconds. The company declared the June 5 test ...

Astronomers have detected an enormous γ-ray bubble that could be a source of the Milky Way’s most powerful cosmic rays — high-energy particles that rain down on Earth from space. The ...

Astronomers used NASA's Hubble Space Telescope and other observatories to determine that the senior star actually blew off part of its surface in 2019. "We've never before seen a huge mass ...

Star TOI-6894 is just like many in our galaxy, a small red dwarf, and only ~20% of the mass of our Sun. Like many small stars, it is not expected to provide suitable conditions for the formation ...