Bothell, Wash.-based Portal Space Systems shows off the lab where its solar thermal propulsion system will be developed.

"We have been waiting for 10 years to confirm that our finely tuned operations of the telescope would also allow us to access ...

The stunning comet C/2024 G3 lights up the sunset sky over Chile's Very Large Telescope in this spectacular photo.

Step inside Sunita Williams’ space mission with this thrilling excerpt from 'Space: The India Story', capturing her ...

The International Space Station supports a wide range of scientific activities, from looking out at our universe to ...