23K views · 845 reactions | On Jan. 28, 1986, the Space Shuttle “Challenger” disaster unfolded live on television, shocking the nation. The lives of all the astronauts — Christa McAuliffe, Gregory Jarvis, Judith Resnik, Dick Scobee, Ronald McNair, Michael Smith and Ellison Onizuka — are honored today with memorials across the country. Where were you when the Space Shuttle “Challenger” disaster happened? | AARP | Facebook

12K views · 435 reactions | On January 28, 1986, the space shuttle...

863K views · 2.7K shares | How SpaceX's monster Mars rocket compares to the most powerful rockets in the world. | Insider Science | Facebook

Nasa and India have teamed up to launch an Earth-mapping satellite capable of tracking the slightest shifts in land and ice. The $1.3bn (£980m) mission will help forecasters and first responders stay one step ahead of floods, landslides, volcanic eruptions and other disasters, according to scientists. Rocketing to orbit from India, the satellite will survey virtually all of Earth’s terrain multiple times. Its two radars – one from the US and the other from India – will operate day and night, pee

13K reactions · 2.7K comments | Jeff Bezos and the Apollo 11 Rocket...

638K views · 5.5K reactions | On the 33rd anniversary of the Space Shuttle Challenger disaster, we remember the 7 crew members killed. We take a look back at Peter Jennings' reporting on the explosion on January 28, 1986. | Good Morning America | Facebook