Voluminous clouds of cosmic dust permeate our galaxy, but only recently has software allowed detailed observations of the ...

Gaia is a space telescope onboard a satellite that has orbited the sun for 11 years. With the help of astrometry, which is a technique to measure the positions, distances and movements of stars ...

A giant wave of undulating gas and dust appears, per new research, to have engulfed our Solar System millions of years ago.

If a star orbits a black hole, it will appear from a distance to be orbiting empty space. Gaia projects the star’s orbit on a plane in the sky while ground-based telescopes meanwhile track how light ...

The stars as seen from Earth would have looked dimmer 14 million years ago, as the solar system was in the middle of passing ...

And so Gaia, even though it’s almost like the air that astronomers breathe, as someone once told me, is also kind of a telescope or a mission that only astronomers can love. Feltman: Mm ...

Published as a cover story in Science on Friday, this cosmic atlas solves a decade-old challenge in astronomy by revealing ...

Researchers have revealed the first three-dimensional (3D) map of the properties of interstellar dust in the Milky Way Galaxy ...

When we observe distant celestial objects, there is a possible catch: Is that star I am observing really as reddish as it ...