Astrophysics

The mystery of black holes and information loss is too thorny for a quick resolution

The hunt for these mysterious “missing-matter” substances has now taken a leap forward, thanks to two new lab experiments

A hundred years on, and the implications of Einstein's general relativity still surprise and delight

Research reveals today's produced energy is only about half of what it was 2 billion years ago

Scientists simulate the signatures of “bumpy” black holes to test Einstein’s famously resilient theory of general relativity yet again

New evidence may settle the debate over whether brown dwarfs are super planets or mini stars

Private funding for the Arecibo Observatory—the largest single-dish radio telescope in the world—may be a poison pill

The planet, Kepler 452 b, is likely rocky and orbits in its star’s habitable zone where liquid water can exist

With a $100-million donation, billionaire Yuri Milner plans to revolutionize the astronomical quest to find alien life

The spheres of carbon₆₀ have been found to be responsible for mysterious cosmic-light features

High-resolution images of the icy worlds reveal towering mountains, yawning canyons and perhaps hints of a subsurface ocean

Scientists find that the biggest, brightest bursts of light herald the creation of the universe’s most magnetic objects