You can now hold the universe in your hand with a 3D-printed model of the cosmic microwave background (CMB), the oldest light in the universe. Like a time capsule sent from soon after the Big Bang, ...

With CMB-S4, scientists hope to connect a sandy desert with a polar desert—and revolutionize our understanding of the early universe. In the 1960s, an anomalous, faint electromagnetic glow was ...

Roughly 5,000 light-years from Earth, a dying star is exhaling gas so fast that its outflow has cooled to about 1 Kelvin, or ...

The cosmic microwave background (CMB) is the radiation allowed to freely propagate after the universe cooled enough for electrons to combine with atomic nuclei to form neutral atoms some 300,000 years ...

One of the most basic and accepted truths about the universe is that it’s pretty much the same everywhere you look. No ...