Astronauts and commercial space travelers are subject to damaging radiation and microgravity, along with other potential injuries. We need better ways to protect them.

Comet Tsuchinshan-ATLAS reaches perihelion, Venus is a bright evening star, and the New Moon passes in front of the Sun in ...

Earth will capture a miniature, “second moon” this week, according to NASA scientists. The new moon is actually a tiny ...

NASA and the Defense Department have very different missions. They share the fact that they're stretched thin in some ways, and the nation is the loser.

Eastern Time, Canadians under clear skies will be able to watch a thin sliver of the moon as it heads toward the western ...

NASA has harnessed the energy of the Sun to power spacecraft and drive scientific discovery across our solar system. Today, NASA continues to advance solar panel technology and test new innovations.

DALLAS — Beginning Sept. 29, Earth will have a new celestial neighbor— a temporary "mini-moon." What scientists think is an ...

Shelley Lewis is a Flat Earther, and told UNILAD what led her to come to this conclusion despite thousands of years of ...

This week, we look at Project Pele, the Pentagon's ambitious new effort to construct a portable nuclear power source.

PT-5," scientists say. It's an asteroid stemming from a continuous asteroid belt that currently orbits our sun.

PT5 "mini-moon" asteroid will soon be in Earth's orbit. Here's everything you need to know about this celestial event.

Chris Impey of the University of Arizona says that as civilian space expeditions become more common, it's a good time to ...