Spacecraft

The space agency has announced the timing of the ISS’s demise as part of a long-planned transition to private orbital outposts

After decades of false starts, a new push for nuclear-powered rocketry could make or break the space agency’s plans to send astronauts to the Red Planet

As we continue to push into space, the 55th anniversary of the deadly fire reminds us to prioritize both safety and people

The ambitious observatory has arrived at its home—near a gravitationally stable spot called L2—for a premier view of the universe

The observatory’s unprecedented infrared measurements might at last bridge a growing rift between astronomers over how fast the universe is expanding

Despite efforts to reduce light pollution from the satellites, their disruptions of astronomical observations are increasing at an alarming pace

The orbital debris created in the explosions is dangerous, long-lasting and a threat to the growing space economy

The rover’s latest sample collection—an effort to gather material for eventual return to Earth—is off to a rocky start

The observatory has flawlessly unfurled its mirrors and sunshield—although more steps are needed before the science can begin

Independent concepts from each nation envision launching high-speed spacecraft on aspirational multigenerational voyages into the great unknown of interstellar space

The successful unfurling of the five-layered, tennis court-sized assemblage is a major milestone for the new observatory

The Parker Solar Probe has passed through a boundary and into the Sun’s atmosphere, gathering data that will help scientists better understand stars