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Deep Space

Gaia updates astronomers on nearby galactic collision

The latest Gaia data reveals how the Milky Way, Andromeda and Triangulum galaxies will collide in the future

Deep Space

A ghostly galaxy has been found just next door

The Gaia satellite has spotted an enormous ‘ghost’ galaxy lurking on the outskirts of the Milky Way

Astronomy

The event that changed the Milky Way

ESA’s Gaia found evidence in the night sky that points to the fact our galaxy did not form alone

Deep Space

Gaia identifies intruding stars from other galaxies

Astronomers found hypervelocity stars racing toward the galactic centre, inferring they could have come from other galaxies

Solar System

Astronomers are close to finding the interstellar visitor’s home system

It has been narrowed down to four possible star systems from which ‘Oumuamua originated from

Deep Space

Distant exoplanet “weighed” by space observatories

Prolonged data collect by ESA’s Gaia and Hipparcos satellites revealed the mass of exoplanet Beta Pictoris b

Deep Space

Hubble and Gaia unite to understand cosmic expansion

Using the power and synergy of two space telescopes, astronomers have made the most precise measurement to date of the universe’s expansion rate.

Deep Space

Milky Way collided with ‘sausage’ galaxy roughly eight billion years ago

Astronomers propose that between eight and 10 billion years ago, a dwarf galaxy collided with the Milky Way and completely reshaped the galaxy

Deep Space

Record-breaking star measurement puts dark matter on trial

The results provide more valuable evidence in support of our current model of the universe

Deep Space

ESA spacecraft observes stars ‘running away’ from our galaxy

Using Gaia’s artificial brain, the paths of six hypervelocity stars have been deduced

News

Stars in Milky Way’s halo found to travel in groups

The finding was made after recent analysis of data for millions of stars from the Gaia space mission

News

FREE PREVIEW: All About Space issue 43

We have the complete guide to surviving the Red Planet (and the technology to help) in the latest issue of All About Space – out now!

News

FREE PREVIEW: All About Space issue 34

Get into stargazing with our complete guide to astronomy in the latest issue of All About Space

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