You may have heard that people who feel faint should sit with their heads between their knees, but is that true? And how can ...

Radio astronomers see what the naked eye can't. As we study the sky with telescopes that record radio signals rather than light, we end up seeing a ...

The main belt asteroid Donaldjohanson is now in sight as the Discovery Program mission prepares for a flyby of the object in ...

In an emotional episode of Antiques Roadshow, collector Vie Carlson was overwhelmed by the high valuation of a scathing letter written by Frank Sinatra.

Update as of February 2025 When Comet G3 reached perihelion, comet watchers observed a sharp increase in brightness as the ...