What makes Mars sunsets different from Earth's?

Even robots can't tear their eyes from a beautiful sunset. NASA's Mars Curiosity rover pointed its high resolution mast camera at the setting sun to capture this 4-image sequence on April 15 at the conclusion of the mission's ...

Image: Sunset over the Gulf of Mexico

From the International Space Station, Expedition 42 Flight Engineer Terry W. Virts took this photograph of the Gulf of Mexico and U.S. Gulf Coast at sunset and posted it to social media on Dec. 14, 2014.

Facebook introduces hashtags

Facebook is introducing hashtags, the number signs used on Twitter, Instagram and other services to identify topics being discussed and allow users to search for them.

Philippine development sparks 'sunset' protest

Hundreds of Filipinos converged on the Philippine capital's main bayfront Tuesday for a unique "sunset watch" protest aimed at stopping what they said would be a disastrous reclamation project.

Extremely rare transit of Venus to occur on June 5, 2012

A few hours before sunset on June 5th, 2012 residents of the Washington, DC metropolitan area will have a chance to witness one of the rarest celestial phenomena known: a “Transit of Venus”.

Venus invades the Pleiades

This week the second planet from the sun will pass directly in front of the Pleiades star cluster. It's a rare sunset conjunction that's easy to find with the unaided eye, but best seen through binoculars or a small telescope.

Image: Sunset over South America

(PhysOrg.com) -- The Expedition 27 crew photographed this sunset over western South America from aboard the International Space Station.

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