The temperature of elementary particles has been observed in the radioactive glow following the collision of two neutron ...

The nearest (Markarian 231) is 600 million light years away from Earth ... interactions with photons of the ubiquitous cosmic ...

The extragalactic background radiation, from gamma-rays to radio waves, tells us a great deal about the formation and evolution of structure in the universe. A workshop at the Space Telescope Science ...

X-rays are a common component of diagnostic testing and industrial monitoring, used for everything from monitoring your teeth to scanning your suitcase at the airport. But the high-energy rays also ...

Webb's high-resolution instruments uncover distant objects, enabling studies of early stars, galaxies, and habitable ...

The European Southern Observatory captured a Halloween-themed image of the Dark Wolf Nebula, a hauntingly dense cloud of ...

The VLT Survey Telescope captured a spooktacular image of a nebula that looks like a dark wolf in the sky just in time for ...

The same can't be said of "space weather" from solar events, which can seriously affect satellites and even passenger planes.

X-rays are a common component of diagnostic testing and industrial monitoring, used for everything from monitoring your teeth ...

We take X-rays for granted, but they were unknown until German physicist Wilhelm Roentgen discovered them 130 years ago.

Our radiation oncologists use the latest technology available for radiation therapy. It’s important to understand how radiation therapy fits into your treatment plan so you can make choices about your ...