By analyzing seismic waves from earthquakes from the 1960s, researchers from Peking University deduced that the Earth's inner ...

The final results from the Atacama Cosmology Telescope offer the sharpest, most sensitive view of the early cosmos that ...

New images of the infant universe captured by the Atacama Cosmology Telescope (ACT) are the most precise "baby pictures" to ...

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

Cosmic microwave background data support cosmology’s standard model but retain a mystery about the universe’s expansion rate.

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the International Space Station.