Space

Previous studies on the formation and evolution of spiral galaxies might have been based on an incorrect assumption, suggests a team of researchers of Instituto de Astrofísica e Ciências do Espaço (IA).

In a landmark study, scientists using NASA’s Hubble Space Telescope have mapped the immense envelope of gas, called a halo, surrounding the Andromeda galaxy, our nearest large galactic neighbor. Scientists were surprised to find that this tenuous, nearly invisible halo of diffuse plasma extends 1.3 million light-years from the galaxy—about […]

Earth may not have needed asteroid and comet strikes to fill its oceans, a new study reports.

NASA commemorated the 100th anniversary of when some American women won the right to vote by celebrating today’s female pioneers, who are spreading their wings far into space.

The spacecraft is one fifth of its way, and sent back some pics of Mars.

A new sensor to identify lunar volatiles is being assembled in a clean room at The Open University, UK ahead of some exciting missions to the moon.

Astronomers have used the GRAVITY instrument to study the immediate vicinity of a young star in more detail than ever before. Their observations confirm a thirty-year-old theory about the growth of young stars: the magnetic field produced by the star itself directs material from a surrounding accretion disk of gas […]

Herbert O. Funsten is a space scientist and leader of the Intelligence and Space Research division at Los Alamos National Laboratory in New Mexico. He contributed this article to Space.com’s Expert Voices: Op-Ed & Insights.