Weather permitting, a "blood moon" eclipse — the penultimate in a four-eclipse cycle — can be seen in its totality by those living on the U.S West Coast.
Two physicists keen to detect a a very rare, high energy particle think you and I can help. The researchers are working on an app that would allow any smartphone to detect rare particles from space.
Astronaut Scott Kelly has arrived at the International Space Station on a yearlong mission. He and Mark Kelly, his twin and fellow NASA astronaut, will take part in experiments comparing their health.
During astronaut Scott Kelly's year in space, scientists will compare his physiology with that of his twin brother, Mark, to study the effect of prolonged space flight on the human body.
In 1998, then-Vice President Gore proposed the satellite, which has since been repurposed for NOAA's needs. It was set to take off Sunday, but the launch was scrubbed, and will be rescheduled.
Public passion is all well and good, but it will take more than big talk to get to Mars by 2025, space specialists say. Even several rockets' worth of cash won't easily solve the technical challenges.