This satellite was launched in 1957, and it sent a radio signal back to Earth ... per hour. As a result, it didn't cover as ...
Less than a decade after discovering a near-Earth asteroid with lunar origins, an international group of scientists says they ...
Hopeful stargazers are in for a treat this week as the annual Eta Aquarid meteor shower is primed to light ... to fall off in ...
Newly emerged sunspot region AR3663 is already making a name for itself, firing off not one but two powerful solar flares ...