Measurements of ancient light from the cosmic microwave background suggest that the universe is remarkably flat. But that ...

The question of whether the cosmos goes on forever is no longer just a late night thought experiment, it is a live research problem that cuts to the heart of modern physics. Astrophysicists are using ...

There was a particular kind of confidence in the science classroom of the 1960s. Space was suddenly urgent, politically charged, and genuinely thrilling. Teachers stood at the chalkboard explaining ...

Will human history, all the conversations on the Earth where we live, the decisions made, and our every moment happen ...