While interstellar journeys have been explored by researchers, one type of mission has not received much attention, namely the interstellar rendezvous and return mission that could be accomplished ...

Many people imagine the space between the stars as an empty, cold infinity. In reality, it is teeming with extraordinary molecules: More than 300 different types have already been discovered. For ...

To reach Earth’s closest star system, Alpha Centauri, scientists are building a laser-powered spacecraft. To pull off ...

Scientists are following a trail of interstellar dust all the way back to the formation of the solar system. What we now know as the solar system began as a cloud of interstellar dust and gas. By ...

Scientists found molecules containing nitriles in space — the discovery could shed light on the origins of life as we know it.

Many people imagine the space between the stars as an empty, cold infinity. In reality, it is teeming with extraordinary molecules: More than 300 different types have already been discovered. For ...

"All the facts, the actual data, are consistent with having crossed (into interstellar space) on or around Aug. 25," says the University of Iowa's Donald Gurnett, an author of the Science paper.

The basic idea for the interstellar mission is to launch a spacecraft weighing less than 1,700 pounds on NASA’s massive Space Launch System rocket, which is expected to be ready by 2021.

Interstellar gas in our part of the Milky Way comes in two main types: atomic and molecular. The first and more common type consists primarily of individual hydrogen and helium atoms. Because ...

This "space grease" — actually an oily form of hydrogen-bound carbon called aliphatic carbon — is one of several types of carbon leaked into empty space by blazing stars, and may be among the ...

Interstellar methane as ... This type of reaction probably plays an ... acetic acid, and acetone are formed. If ammonia is also added, acetic acid forms glycine, an amino acid also found in space.