Instagram Calls the Rio Olympic Games the Most Social in History
According to the site, the most talked about moment was sprinter Usain Bolt's win in the 100.
NASA's Mars -Bound Rocket Booster Passes a Key Test
The agency plans to use the rocket for future deep space missions, including a crewed trip to the Red Planet in the 2030s.
Elon Musk Wants to Send Humans to Mars by 2025
Elon Musk's dream of sending humans to Mars could come true in the next decade.
Hubble Mars Photo Shows the Red Planet in Stunning Detail
As Mars makes a close approach to Earth this month, NASA's Hubble Space Telescope took the opportunity to snap a new portrait of the Red Planet in all of its glory.
Cast of 'Hamilton' Hears Original Raps from NYC Students
Broadway's hit musical welcomes students to the Richard Rogers Theater for a unique education program about the life of Alexander Hamilton.
Elon Musk Could Send SpaceX Unmanned Mission to Mars by 2018
The privately held space company announced plans to send one of its Dragon spacecraft on a test flight to the Red Planet, where it could yield valuable information about landing large payloads on the surface.
Facebook Quarterly Revenue Soars More Than 50%
The quarterly results exceeded expectations, showing the company's ability to grow.
Sanders Criticizes Clinton for Big Ticket Fundraising
The Democratic candidate for president talks about the New York primary, fight to raise the minimum wage, and more on "This Week."
NASA Probe Helps Uncover Mystery of Mars' Atmosphere
Newly released data from the MAVEN spacecraft shows how solar activity strips away Mars' atmosphere.
NASA Outlines Steps to Mars
The space agency has released a 36-page report detailing what steps need to be taken to send humans to the Red Planet.