Do satellite galaxies point to modified gravity?
Dwarfs don't seem to contain dark matter
Read article: Web life: Hyperphysics
Web life: Hyperphysics
So what is the site about? Hyperphysics is a network of cross-linked articles on topics from acceleration to the Zeeman effect — essentially an online physics encyclopedia. Unlike some sites fea...
Read article: Doing science in the open
Doing science in the open
Online networking tools are pervasive, but why have scientists been so slow to adopt many of them? Michael Nielsen explains how we can build a better culture of online collaboration
Dark matter could come naturally from quantum gravity
Physicist looks at ‘effective field theory’ to explain the mysterious entity
Read article: In search of the black swans
In search of the black swans
The publish-or-perish ethic too often favours a narrow and conservative approach to scientific innovation. Mark Buchanan asks whether we are pushing revolutionary ideas to the margi...
Read article: Stars in his eyes
Stars in his eyes
Inspiring public interest in the night sky is one of the key objectives of the International Year of Astronomy. You can be sure then that the Public Astronomer of the UK – Marek Kuk...
Read article: The Galileo affair
The Galileo affair
Maurice A Finocchiaro discusses the lessons and the cultural repercussions of Galileo’s telescopic discoveries
Read article: Web life: Cosmic Diary
Web life: Cosmic Diary
The official blog of IYA2009
Read article: Living life on ‘Mars’
Living life on ‘Mars’
The quest for clear, dark skies has led astronomers to build telescopes far away from the lights and smog of modern civilization, but what is it like to live and work in such places? Elena ...
Cosmic visions
With the International Year of Astronomy now in full swing, leading figures from the world of astronomy reveal what they think are the biggest challenges for the subject
