Space Exploration

India successfully docked its two SpaDex satellites in Earth orbit yesterday (Jan. 15), becoming just the fourth country to pull off such a satellite meetup.

NASA astronauts Nick Hague and Suni Williams completed a six-hour spacewalk to repair and upgrade equipment outside the International Space Station on Thursday (Jan. 16).

The head of the European Space Agency says that ESA is ready for any changes in NASA's direction that U.S. President-elect Donald Trump may make.

The Habitable Worlds Observatory is a flagship NASA telescope that could answer the ultimate question.

The shells of carbon-rich dust are expanding outward into space at the breakneck velocity of 1,600 miles per second.

How do images taken by the James Webb Space Telescope (JWST) appear so colorful, and where do the colors come from?

SpaceX's seventh Starship test flight will now launch no earlier than Thursday, Jan. 16, at 5 p.m. EST (2200 GMT).

Scientists think it's possible that life cells from Earth could've been transferred to Venus, thanks to asteroid impacts over the last few billion years.

Blue Origin's powerful New Glenn rocket reached orbit on its first-ever flight early this morning (Jan. 16).

NASA's Nick Hague and Suni Williams will service the X-ray telescope attached to the ISS during a 6.5-hour-long spacewalk today (Jan. 16). Watch it live.