Topic description and stories

Computer simulations motivated by GW150914

Using gravitational waves to catch runaway black holes

30 Jun 2016

Black holes are the most powerful gravitational force in the Universe. So what could cause them to be kicked out of their host galaxies? Cambridge...

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Artist’s impression of the distant galaxy SXDF-NB1006-2

Astronomers observe most distant oxygen ever

16 Jun 2016

An international team of astronomers have detected glowing oxygen in a distant galaxy seen just 700 million years after the Big Bang. This is the...

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Illustration of the dust ring surrounding HD 181327

First evidence of icy comets orbiting a sun-like star

19 May 2016

Astronomers have found the first evidence of comets around a star similar to the sun, providing an opportunity to study what our solar system was...

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Artist’s impression of the ultracool dwarf star TRAPPIST-1 from the surface of one of its planets.

Three potentially habitable worlds found around nearby ultracool dwarf star

02 May 2016

Three Earth-sized planets have been discovered orbiting a dim and cool star, and may be the best place to search for life beyond the Solar System.

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Artist’s impression depicting a compact object – either a black hole or a neutron star – feeding on gas from a companion star in a binary system.

Winds a quarter the speed of light spotted leaving mysterious binary systems

27 Apr 2016

Astronomers have observed two black holes in nearby galaxies devouring their companion stars at an extremely high rate, and spitting out matter at a...

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Illustration of the hot lava world 55 Cancri e

Map of rocky exoplanet reveals a lava world

30 Mar 2016

̽»¨Ö±²¥most detailed map of a small, rocky ‘super Earth’ to date reveals a planet almost completely covered by lava, with a molten ‘hot’ side and solid...

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Artist’s impression of a super-Earth exoplanet orbiting its nearby star

Exoplanet hunter: in search of new Earths and life in the Universe

15 Feb 2016

In 1995, in Geneva, PhD student Didier Queloz discovered a planet orbiting another sun – something that astronomers had predicted, but never found...

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Gravitational waves detected 100 years after Einstein’s prediction

11 Feb 2016

New window on the universe is opened with the observation of gravitational waves – ripples in spacetime – caused by the collision of two black holes...

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 Detail from animation of a black hole devouring a star

How to escape a black hole

26 Nov 2015

An international team of astrophysicists, including researchers from the ̽»¨Ö±²¥ of Cambridge, has observed a new way for gas to escape the...

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An artist's impression of a hypernova, an explosive death of a star roughly ten times more energetic than a normal supernova.

Ancient stars at the centre of the Milky Way contain ‘fingerprints’ from the very early Universe

11 Nov 2015

Astronomers have discovered some of the oldest stars in the galaxy, whose chemical composition and movements could tell us what the Universe was like...

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Great Comet of 1577, which Kepler witnessed as a child.

̽»¨Ö±²¥astronomer and the witch – how Kepler saved his mother from the stake

22 Oct 2015

Ulinka Rublack, Professor of Early Modern European History, discusses the reputation of astronomer Johannes Kepler and his mother Katharina, and the...

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Two ‘twin’ stars with identical spectra observed by the La Silla Telescope. Since it is known that one star is 40 parsecs away, the difference in their apparent brightnesses allows calculation of the second star’s distance

Using stellar ‘twins’ to reach the outer limits of the galaxy

04 Sep 2015

A new method of measuring the distances between stars enables astronomers to climb the ‘cosmic ladder’ and understand the processes at work in the...

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