Three City-Killing Asteroids Could Strike Earth Soon Without Warning, Researchers Say It Is More Powerful Than Hiroshima ...

The switch fixed a solar electric propulsion problem first detected in April - where engineers noticed a pressure drop in the ...

Donald Trump has unveiled a bold new proposal: allocating over $1 billion for Mars exploration through a public-private ...

A new report by Sen. Elizabeth Warren itemizes 130 dodgy dealings by the man who calls himself the “Dogefather” ...

Astronomy has lost one of its most assiduous calculators of eclipses with the passing of astronomer Fred Espenak, known ...

A geomagnetic storm that was forecast to produce streaks of colorful light across much of the country was weaker than expected.

Illinois lawmakers approved the $55.2 billion state budget and $1.1 billion tax package minutes before their midnight ...