Slingshot test for general relativity
The gravitational pull on a spacecraft could be the best test yet of relativity
Read article: Deepest ever picture of the universe reveals new quasar
Deepest ever picture of the universe reveals new quasar
Astronomers probing cosmic X-rays stumble upon a new astrophysical entity
Cosmological model gets a boost
New measurements of cosmic microwaves reinforce the standard model
Read article: A reference point to the cosmos
A reference point to the cosmos
It is a tribute to the dynamism of astrophysics today, and to the achievements of the past century, that Paul Murdin and his distinguished editorial board, together with over 500 contributors, many of...
Read article: Uranium reveals the age of the universe
Uranium reveals the age of the universe
Uranium in a primitive star shows that the universe is at least 12.5 billion years old
Read article: 11 key questions about the universe
11 key questions about the universe
US experts identify the hottest topics in particle physics and astronomy
Read article: The Milky Way’s last meal
The Milky Way’s last meal
Wandering stars could be remains of a small galaxy absorbed long ago
UK physics scoops extra money
The JIF scheme was set up in 1998 by the UK government and the Wellcome Trust – the world’s largest biomedical research charity – to provide much-needed funding for university labora...
Read article: Quintessence
Quintessence
Cosmologists have proposed that a mysterious substance called quintessence can explain why our universe is accelerating. But what is it made of?
Milky Way’s central black hole located
Ghez and colleagues collected infrared images of the nucleus of the Milky Way over a four-year period using the 10-metre Keck telescope on Mauna Kea in Hawaii. The positions of the stars nearest Sagit...
