The Latest Breaking News from Carl Sagan

Both Voyager 1 and its twin, Voyager 2, carry little pieces of humanity in the form of their Golden Records. A recent analysis suggests they may persist for trillions of years.

Voyager 1 is the farthest human-made object from Earth. After sweeping by Jupiter, Saturn, Uranus and Neptune, it is now almost 15 billion miles (24 billion kilometers) from Earth in interstellar space. Both Voyager 1 and its twin, Voyager 2, carry little pieces of humanity in the form of their…

If a person is lost in the wilderness, they have two options. They can search for civilization, or they could make themselves easy to spot by building a fire or writing HELP in big letters. For scientists interested in the question of whether intelligent aliens exist, the options are much…

While it was a good fictional setting for the Carl Sagan adaptation 'Contact,' the Very Large Array has never actually listened for alien transmissions — but now it will.

As space science matures and accelerates, the time has come for a democratically accountable UN to moderate human activity beyond Earth, writes Ian A. Crawford

As space science matures and accelerates, the time has come for a democratically accountable UN to moderate human activity beyond Earth.

Humanity has barely scratched the surface when it comes to cosmic exploration, including our backyard. Self-replicating robots could reveal more about humanity's closest neighbors.

Pareidolia — seeing faces in patterns — is connected to religious experiences, creativity, and much more