NASA defended the selection of two concepts for study as the agency’s first astrophysics probe-class mission amid community complaints that the two missions are not on an equal footing.

A rare solar wind event was taking place when NASA’s Voyager 2 zipped by in 1986, a study suggests, which affected what we ...

Credit: NASA/JPL-Caltech WASHINGTON — A NASA astrophysics mission remains on schedule to launch in April after teams went “above and beyond” to fix a problem with one component of the spacecraft that ...

The chances of intelligent life emerging in our universe—and in any hypothetical ones beyond it—can be estimated by a new ...

State-owned aerospace company AVIC unveiled China's first commercial uncrewed spaceplane at the country's biggest air show in Zhuhai on Tuesday, with a mission of supplying the Chinese space station.

Jonathan McDowell, an astronomer at the Harvard–Smithsonian Center for Astrophysics who tracks spacecraft, confirmed that the satellite's reentry path tracked "over Idaho, Wyoming, Colorado and ...

A brilliant fireball that lit up the skies over four U.S. states this weekend is reported to be from the fiery reentry of a ...

Joining the ranks of Pennsylvania research institutions including Carnegie Melon and Lehigh University, Lycoming College ...

However, the US lunar program is delayed, in part because the spacesuits and lunar-landing vehicle are not ready. Meanwhile, ...

The annual Leonids meteor shower is due to peak next week, hopefully giving stargazers a treat to brighten up the dark winter ...

Massive stars about eight times more massive than the sun explode as supernovae at the end of their lives. The explosions, ...

A novel theoretical model based on universal expansion and star formation suggests that our universe might not have the ...