The Atacama Cosmology Telescope (ACT) team has captured the clearest images of the universe in its earliest stages—when it ...

New research by the Atacama Cosmology Telescope (ACT) collaboration has produced the clearest images yet of the universe’s ...

This month marks the fifth anniversary of the pandemic. We asked students how their lives are different today because of it. By The Learning Network President Trump abruptly stopped providing ...

The temperature depends on the volume and heat capacity of the system. For a fission bomb’s fireball, temperatures reach 10⁷-10⁸ K (10-100 million K) momentarily, driven by radiation and kinetic ...