Science

Astronauts rebuilt the first eras of the universe

NASA says people are throwing away the Earth’s energy budget

A new spherical robot could study lunar caves

Neanderthal footprints found on a Spanish beach left by a child

NASA’s planet hunter spun 2,200 candidate worlds in its first 2 years

A new design could enable more powerful lithium-ion batteries

Light show over US skies that are likely to see SpaceX debris re-enter the atmosphere

NASA’s planet hunter spun 2,200 candidate worlds in its first 2 years

Our nearest star collection appears to be torn apart by an unprecedented structure

Octopuses change color as they switch between sleep states