Mood remains dark in Crimea as Russians enter base
Russian and Ukranian officials are trying to form a contact group to diffuse the crisis in Crimea, but tensions there remain high as a convoy of hundreds of Russian troops enter a base in the provincial capital.
Libya on Saturday threatened to attack a North Korean-flagged tanker if it tries to ship oil from a rebel-controlled port, in a major escalation of a standoff over the country's petroleum wealth.
The Solar Dynamics Observatory, an incredibly advanced spacecraft designed to study the sun, collected images of the rarest predictable solar event, the transit of Venus across the face of the sun. Check it out!
Check out this incredible time-lapse video featuring shots of Earth taken from the International Space Station. Photography by Knate Myers and music from John Murphy. Images courtesy of NASA.