One mystery that still remains is the almost identical compositional makeup of the Earth and the Moon.

Now that science operations have resumed and the planned orbital boost is off the table, NASA expects that Swift will reach ...

Just two days after its launch from Florida on a SpaceX Falcon Heavy rocket on August 30, NASA’s Nancy Grace Roman Space ...

Dark matter does not emit, reflect, or absorb light in a way our telescopes can detect, so scientists cannot simply point a ...

Come join us for another spacewalk! Tune in here on Sept. 1 at 7am ET (1100 UTC) to watch @Astro_Jessica and @Soph_astro step ...

From left, Artemis III crew members, NASA's Andre Douglas and Randy Bresnick, European Space Agency's Luca Parmitano, and ...

After a month packed with skywatching events, September is bringing even more for those keeping an eye on the sky. This ...

And a short time-lapse of today’s recordings of the Nancy Grace Roman Space Telescope and the Falcon upper stage (leading).

The Roman telescope's journey to the Lagrange Point will take three months, giving mission teams ample time for instrument ...

Named after Nancy Grace Roman—an astronomer and NASA’s first female executive—the telescope’s objectives are to unravel ...

NASA’s Nancy Grace Roman Space Telescope has been successfully deployed, and it is now flying on its own to the Lagrange ...

Each RS-25 engine will fire for about 8 minutes during ascent, providing 500,000 pounds of thrust in the process.