A massive filament of gas and dust, designated X7, has been elongated during its long approach to the Milky Way galaxy's ...

Scientists discover low-mass microquasars can accelerate cosmic rays, reshaping theories on high-energy particle origins.

Where is our solar system in the vast assemblage of celestial objects in this island Universe we call the Milky Way? To answer that question, we can begin with the beautiful configuration of stars we ...

A U.S. scientist searching for a civilization across 7 Earth clones circling the red dwarf star TRAPPIST-1 says its own alien ...

NASA's two stuck astronauts take their first spacewalk together since arriving at the space station last year.

An official statement issued on Wednesday said that this length compares to roughly 10 times the size of the Milky Way’s ...

Scientists found an intriguing world in our galaxy.

We will never get an image of the Milky Way from above, but M81 or Bode's galaxy is a good stand-in – and now is a great time ...

Scientists studying samples that NASA collected from the asteroid Bennu found a wide assortment of organic molecules that ...

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

Using the Hubble Space Telescope (HST), astronomers from the University of California Santa Cruz (UCSC) and elsewhere have ...

There are more stars in the universe than grains of sand on Earth. The latest estimates suggest there are around one septillion stars, which is a 1 followed by 24 zeros. Our sun is a typical G-type ...