Space
Death by helium for cosmos-mapping Planck observatory
The last of the spacecraft tasked with measuring the big bang's echo has run out of liquid coolant, effectively ending the mission
News
Physics
Why physicists can’t avoid a creation event
News
Physics
Naked black-hole hearts live in the fifth dimension
News
Physics
Largest dark matter map holds clues to dark energy
News
Physics
Stephen Hawking at 70: Exclusive interview
Opinion
Physics
Variable dark energy could explain old galaxy clusters
News
Physics
Neutrinos and multiverses: a new cosmology beckons
Opinion
Space
Astrophile: Undead stars rise again as supernovae
News
Physics
Original spin: Was the universe born whirling?
Features
Physics
Glow around black holes could light up dark energy
There's a new way to measure the accelerating expansion of the primordial universe – and it may just reveal what dark energy is
News
Physics
Physics Nobel winner: We discovered a cosmic mystery
News
Physics
Still-mysterious dark energy takes physics Nobel
News
Space
Will the universe end in a big snap?
News
Space
Ashes from massacred planets hide black holes
News