The asteroid Bennu is puzzling scientists, with samples from the space rock showing weirder properties than they expected. These include extremely high nitrogen levels and improbably magnetic ...

Scores of people poured into the lobby of Trump Tower in New York City on Thursday to protest the arrest and detention of Columbia University student Mahmoud Khalil, whom the Trump administration ...

Science correspondent Allan Blackman joins Kathryn to talk about what samples of the asteroid Bennu reveal about the building blocks of life on Earth. He'll also look at what's happening with the ...