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General relativity

neutron star collision

In a long-ago neutron star collision, scientists find a cosmic goldmine

Technology

Around 130 million years ago, two neutron stars — those strange, compacted cores of dead stars — collided. Scientists recently detected the signals from that collision, in the form of gravitational waves and electromagnetic signals.

Despite the cartoons that her dad draws to illustrate his work — in this case, the theory of cosmic strings — Alina Simone still can't figure it out.

Even when your dad’s a physicist, it’s hard to wrap your head around the Big Bang discovery

Environment
Despite the cartoons that her dad draws to illustrate his work — in this case, the theory of cosmic strings — Alina Simone still can't figure it out.

Even when your dad’s a physicist, it’s hard to wrap your head around the Big Bang discovery

Environment

The science of time travel

Environment
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