MIT physicists have captured the first images of individual atoms freely interacting in space. The pictures reveal ...

The images, which show interactions between free-range particles that had only been theorized until now, will reportedly ...

This phenomenon occurs when ionized ... particularly two-photon and free-bound emissions, dominate the galaxy’s light. This would imply an ionizing source capable of outshining its stellar ...

SALT LAKE CITY — In a flash of light, dozens of lucky viewers got a glimpse of a real phenomenon Saturday night: a meteor barreling through the Earth's atmosphere — so big that our NASA solar ...