Spacecraft

A communications glitch between the observatory and its launch vehicle forced the delay, NASA officials say

The Imaging X-ray Polarimetry Explorer will probe the physics behind black holes, neutron stars and other dynamic cosmic objects

After some two decades of development, the orbital observatory is set to at last reach space on December 22

A new theory suggests that searches for molecular complexity could uncover convincing evidence of extraterrestrial life—and do so soon

Our planet is vulnerable to thousands of “city-killer” space rocks. If—when—one is found on a collision course with Earth, will we be ready to deflect it?

A privately funded telescope called Toliman will seek habitable worlds in our nearest neighboring star system, potentially sparking a new wave of exoplanetary exploration

“The test has so far generated over 1,500 pieces of trackable orbital debris,” a State Department spokesperson said

A major report outlining the highest priorities and recommendations for U.S. astronomy has finally been released, revealing the shape of things to come

The space agency is working to bring the observatory’s science instruments back online

NASA’s Juno spacecraft peered underneath the gas giant’s dense clouds to determine the structure of its iconic spinning storm

A congressional hearing about NASA’s budget and activities offered more questions than answers about the International Space Station, orbital debris hazards and returning astronauts to the moon

The observatory must complete about 50 major deployments after liftoff