Highly energetic explosions in the sky are commonly attributed to gamma-ray bursts. We now understand that these bursts ...

On March 15, 2024, a space-based observatory detected bursts of low-energy X-rays from deep in the ancient universe, ...

Astronomers have identified a quasar that may help explain how the universe’s “dark ages” finally ended. Astronomers have ...

With February’s winter nights regularly dropping below freezing, it’s tempting to take the easy way out and just stay inside. That would be a mistake.

The chlorophyll in vegetation reflects near-infrared light—the so-called red edge, invisible to human eyes but easily observable with infrared telescopes ... like a death ray,” he says.

They used 16 years of data from the Large Area Telescope detector onboard NASA's satellite Fermi to reveal a faint gamma-ray signal consistent with the position of GRS 1915+105, a microquasar with a ...

Watch an animation of a black hole shooting jets of particles through a "collapsing star at nearly the speed of light" and ...

"NASA's James Webb Space Telescope is the largest and most sensitive infrared telescope ever deployed in space. Revealing the cosmos in vivid infrared detail, it is designed to provide scientists ...

"We are literally mapping the entire celestial sky in 102 infrared colors for the first time in humanity's history." ...

Shaped like a megaphone, the upcoming mission will map the entire sky in infrared light to answer big questions about the ...

Dozens of boxes holding mirrors are placed along a remote desert hill in northern Chile as workers make progress in the ...