After taking another peek at the "city-killer" asteroid that once had a small but uncomfortable chance of smashing into our ...

The two-page memo, which was obtained by The Associated Press, does not allege any criminal conduct by Khalil, a legal permanent U.S. resident and graduate student who served as spokesperson for ...

The birth of the sanctuary movement some 45 years ago can teach us a lot about how to respond to today’s attacks on immigrants.

K2-360 is a newly found planetary system with a super-dense planet, likely the core of a former larger world, shaped by dynamic interactions with its companion. An international team of researchers ...