Updated: 36 min 27 sec ago
The cosmic coincidences that made our universe – and us – possible
The sun and moon are positioned just right for us to see total solar eclipses, and the make-up of the universe is just right for life. Columnist Leah Crane wonders if it’s really all one big coincidence
Unexpected hints of dark matter should breathe life into particle physics
With little in the way of significant discoveries since 2012, there have been mutterings that particle physics is at a dead end. However, new dark matter results suggest an exciting new way to hunt for reality's undiscovered ingredients
Cosmos acts as nature says
A response to the 23 June research update on the Physics World website “Cosmic crisis averted as supernovae put dark energy back on track”.
Does time come from the entire universe running computations?
Explaining the passage of time has been a gnarly problem in physics basically forever, but physicist and computer scientist Stephen Wolfram has a radical proposal for where it comes from. He discussed his ideas on time – and what they mean for free will – with reporter Leah Crane
The most detailed survey of the universe ever conducted starts now
The Vera C. Rubin Observatory in Chile is beginning its extraordinary survey of the southern sky, which will use the largest camera ever built to map the solar system, the galaxy and beyond
We may have finally solved cosmology's chicken-or-the-egg problem
Galaxies and their supermassive black holes evolve together, but which came first is an ongoing question. Now we may finally have an answer, says columnist Leah Crane
