Vote Now! Best Space Stories of the Week - April 21, 2013

Countdowns
By Space.com Staff
published

Astronauts Send Condolences to Boston After Marathon Blasts

NASA

The six astronauts aboard the International Space Station are among the many people sending condolences to the people of Boston after two explosions went off at the finish line of the city's famous marathon today (April 15). [Full Story]

NEXT: Hints of Dark Matter Possibly Seen

Hints of Dark Matter Possibly Seen

J. Tumlinson (STScI)

Hints of dark matter, the mysterious stuff that makes up perhaps 85 percent of the matter in the universe, may have been observed by scientists. [Full Story]

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Space.com Staff
Space.com Staff
News and editorial team

Space.com is the premier source of space exploration, innovation and astronomy news, chronicling (and celebrating) humanity's ongoing expansion across the final frontier. Originally founded in 1999, Space.com is, and always has been, the passion of writers and editors who are space fans and also trained journalists. Our current news team consists of Editor-in-Chief Tariq Malik; Editor Hanneke Weitering, Senior Space Writer Mike Wall; Senior Writer Meghan Bartels; Senior Writer Chelsea Gohd, Senior Writer Tereza Pultarova and Staff Writer Alexander Cox, focusing on e-commerce. Senior Producer Steve Spaleta oversees our space videos, with Diana Whitcroft as our Social Media Editor.