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

Dark matter is an essential element of galaxy formation and physics, according to the standard theory of how the universe ...

Experts say they now know even less about a typical day on Uranus, and need a second spacecraft to visit the planet in order ...

Targeting Mars with spacecraft built for astronauts is not only more ambitious than focusing on the moon, but is also fraught with risk and potentially more expensive ...

A science antenna developed with support from NASA’s Earth Science Technology Office (ESTO) is now in low-Earth orbit aboard ...

Much of the knowledge about Uranus was gleaned when NASA's robotic spacecraft Voyager 2 conducted a five-day flyby in 1986 ...

Three NASA astronauts whose prolonged space station mission ended with a trip to the hospital have declined to say which one ...

After becoming one of the president-elect’s most prominent backers on the campaign trail, many are wondering what is in it ...

Three NASA astronauts whose prolonged space station mission ended with a trip to the hospital have declined to say which one ...

Recent images of NASA astronauts Sunita Williams and Barry “Butch” Wilmore from the International Space Station (ISS) showed that both the astronauts are witnessing serious decline in their health.

Elon Musk's support for Trump could lead to significant policy shifts benefiting his companies. His potential role in the new ...

Trump also supports efforts to privatize the K-12 school system, including through vouchers for private schools. Both he and ...