NASA has powered on its latest space payload to continue long-term measurements of the Sun's incoming energy. Total and Spectral solar Irradiance Sensor (TSIS-1), installed on the International Space Station, became fully operational with all instruments collecting science data as of this March.News Article Type: Homepage ArticlesPublished: Friday, March 16, 2018 - 10:49
A space helmet "theater" showed me an astronaut's view of Earth.
Rogue moons, torn from their planets and flung outward to drift through space, may be as common as stars in the universe, a new study finds.
Space radiation may be a bigger worry for voyaging astronauts than scientists had thought, at least in the near future, a new study suggests.
Our solar system's first known interstellar visitor is likely even more alien than previously imagined, a new study suggests.
Orbital ATK announced March 13 it is developing a new version of a satellite life extension vehicle intended to provide more flexibility to customers while also moving the company closer to more advanced in-space servicing.
The rise of the largest volcanoes in the solar system may have led Mars to possess oceans hundreds of millions of years earlier than previously thought, a new study finds.
Rep. Mike Rogers: "I am so excited to have the support of President Trump as we work towards this goal" of creating a space force.
A new photo shows a swirling maelstrom on Jupiter through rose-colored glasses.
A NASA investigation into a 2015 SpaceX launch failure concluded a design flaw, rather than a manufacturing defect, likely initiated the chain of events that destroyed the vehicle.
Those inspired by Stephen Hawking's classic book "A Brief History of Time" and by his legacy in cosmology are now picking up where Hawking's genius left off.
UK's Astronomer Royal Martin Rees shares his memories of the late star physicist Stephen Hawking.
A new forecast by the European Space Agency’s Space Debris Office predicts that the 8.5-ton Tiangong-1 spacecraft will fall back to Earth between March 30 and April 6.
People around the world remember the life of Stephen Hawking, the Great Red Spot on Jupiter is shrinking and turning orange and NASA's twin study confirms some fascinating findings. These are just some of this week's top stories on Space.com.
Next Tuesday, at 12:15:21 p.m. EDT (16:15:21 GMT), the winter season will officially come to an end in the Northern Hemisphere.
This is the fourth competition under the current Phase 1A EELV procurement where there has been more than one competitor for national security space missions.
Concerns about space junk and satellite-launch regulations are swirling after the Federal Communications Commission alleged that a U.S. company launched four tiny satellites without permission.
Albert Einstein's vision for how gravity works was, to say the least, a radical departure from the older, Newtonian perspective.
Despite uncertainty about who will lead the agency after the end of April, NASA's current acting administrator says he expects little change in the agency's activities in the near future.