james webb space telescope

This isn't your typical spherical planet. PSR J2322-2650b is stretched into a lemon shape by its star's gravity—and when researchers analyzed its atmosphere, they found something unexpected. Could there be treasures hidden at its core?

NASA's James Webb Space Telescope has gone through its final thermal vacuum test, bringing it one step closer to its launch in 2021.

Both halves of the James Webb Telescope have successfully communicated for the first time.