MSNBC’s Lawrence O’Donnell is joined by George Whitesides, the Democratic congressman-elect for California’s 27th ...

NASA astronaut Suni Williams says her weight is stable aboard the International Space Station, rebutting tabloid claims that ...

The future of aircraft may look very similar to today's superficially — but under the hood (or sitting next to the tailfins) ...

The two robots, working alone and far apart from one another, are struggling on their respective treks along the Red Planet's ...

NASA’s Jet Propulsion Laboratory is reducing its workforce by 5 percent, or 325 employees, amid budget cuts and issues with ...

Barely nine months after the last cut, NASA's Jet Propulsion Laboratory will again reduce its workforce. On Wednesday, the ...

Stranded astronaut Sunita Williams said the growing concerns about her health were nothing but “rumors” — as she attributed ...

The Jet Propulsion Laboratory, NASA's chief center for planetary exploration, is conducting its second round of layoffs in ...

In response to recent tabloid reports speculating about her health aboard the International Space Station (ISS), NASA ...

For decades, the observation has been an enigma. But not anymore. Recent analysis of Voyager's old data found that extreme ...

If another gravity theory is correct, "then the broader implications are enormous," astrophysicist Stacy McGaugh told ...

"It's not unreasonable to think that there could be either money or regulatory regime lifted to benefit the pace of Starship ...