Dark matter is a riddle: Stars can feel it, but we can’t see it. It makes up 80% of the matter in the universe, yet we can only guess at what it actually is. Receive emails about upcoming NOVA ...

Scientists have been all aflutter since several space-based detectors picked up a powerful gamma-ray burst (GRB) in October 2022—a burst so energetic that astronomers nicknamed it the BOAT (Brightest ...

Add Yahoo as a preferred source to see more of our stories on Google. The Galactic Center Excess, shines in high-energy gamma rays that can’t be explained by ordinary astrophysical processes. Its ...

For more than a decade, NASA’s Fermi Gamma-ray Space Telescope has quietly mapped the high-energy sky, searching for subtle patterns in the cosmic glow. Now a new analysis of its data points to a ...

A research team led by the Institute of High Energy Physics of the Chinese Academy of Sciences has made a breakthrough discovery. They identified a gamma-ray spectrum line with an energy of up to 37 ...

When a massive star collapses or two neutron stars collide billions of light-years away, the explosion can unleash a brief, ...

An international team of astronomers has performed a comprehensive, multiwavelength study of a blazar known as 1ES 1218+304. Results of the research, presented in a paper published January 3 on the ...

For countless years, humans have gazed up at the sky and made sense of the stars by finding shapes in them — constellations of heroes, animals, and well-worn tales. Now, to celebrate the 10th mission ...