Carl Sagan

February 22, 2019

Where are all the aliens? Struggling and hustling, just like us

Conventional wisdom has it that aliens should be either everywhere, or nowhere. A new model suggests they can be both. If the galaxy is billions of […]
December 9, 2018

Listen to the very first sounds recorded on Mars

InSight rumbles with alien Martian wind. Last week a gust of wind swept across the Elysium Planitia, the tropical plane that straddles the Martian equator. It […]
August 17, 2016

Life in the Universe – Fact or Fiction?

Extraterrestrial life has been theorized to exist for centuries. From planets and moons within our own solar system, to planets orbiting in other star systems spread […]
March 1, 2016

NASA Astronaut Don Williams, Led Mission to Launch Jupiter Probe, Dies at 74

Donald Williams, a NASA astronaut who commanded a space shuttle mission that launched the first probe to orbit Jupiter, died Tuesday (Feb. 23). He was 74. […]
February 8, 2016

Nasa’s front-line defense against killer rocks from space

The Solar System Dynamics group of NASA’s Jet Propulsion Lab is, as physicist Marina Brozovic explains, is like “flight control for the solar system.” Basically, it’s […]
November 13, 2015

The 116 photos NASA picked to explain our world to aliens

If any intelligent life in our galaxy intercepts the Voyager spacecraft, if they evolved the sense of vision, and if they can decode the instructions provided, […]
June 8, 2015

Carl Sagan's solar spacecraft finally deploys its sails

The Planetary Society‘s LightSail spacecraft just dodged another bullet — the ground crew has not only regained contact with the Carl Sagan-inspired ship, but managed to deploy its sails. It’s still not clear […]
November 26, 2014

Is the Wormhole in 'Interstellar' Possible?

Sci-fi fans who hope humanity can one day zoom to distant corners of the universe via wormholes, as astronauts do in the recent film “Interstellar,” shouldn’t […]
June 9, 2014

'Cosmos' Season Finale Preview

Neil DeGrasse Tyson And Ann Druyan Discuss The Show’s Wild Success It took seven years to bring “Cosmos” to television, and it has been a massive […]