A mosaic of a series of images captured by Rosetta's OSIRIS camera over a 30 minute period shows the European Space Agency's lander Philae descending towards the Comet 67P/Churyumov-Gerasimenko before touchdown November 12, 2014.
A screen displays the Instagram logo during a presentation by co-founder Kevin Systrom as he announces the launch of a new direct image messaging service named Instagram Direct in New York December 12, 2013.
Visitors looks at Sony Corp's PlayStation 4 game consoles and control pads displayed at a booth during the Tokyo Game Show 2014 in Makuhari, east of Tokyo September 18, 2014.
A man looks over the Affordable Care Act (commonly known as Obamacare) signup page on the HealthCare.gov website in New York in this October 2, 2013 photo illustration.
A document is pictured at the opening of a consultation of international experts on potential Ebola therapies and vaccines in Geneva September 4, 2014.
An unmanned Antares rocket is seen exploding seconds after lift off from a commercial launch pad in this still image from video shot by Matthew Travis of Zero-G News from the press area at Wallops Island, Virginia October 28, 2014.
Visitors look at tablets at the Intel booth during the 2014 Computex exhibition at the TWTC Nangang exhibition hall in Taipei June 3, 2014. Computex, the world's second largest computer show, runs from June 3 to 7.