“We are the first group to consistently model the dependence of the 21-centimeter signal of the masses of the first stars, including the impact of ultraviolet starlight and X-ray emissions from ...

Understanding how the universe transitioned from darkness to light with the formation of the first stars and galaxies is a ...

What is ultraviolet light, and where does it come from? Learn how UV radiation is classified, measured, and used in medicine, ...

Webb discovered dozens of small, powerful galaxies from 800 million years ago that likely drove cosmic reionization by ...

About a decade ago the American space agency seriously started considering a series of telescopes dedicated to finding definitive proof of life on worlds located in other solar systems. It did so ...

Meanwhile, astronomers continue to stress the science value being delivered by the X-ray telescope, which turned 25 years old in July. "What this means is that radio and X-ray jet knots move ...

Infrared data for the rest of the image was captured by the Spitzer Space Telescope. Credit: X-ray: NASA/CXC/SAO/J. Drake et al, IR: NASA/JPL-Caltech/Spitzer; Image Processing: NASA/CXC/SAO/N.

This will pave the way for deeper understanding of the universe's most energetic events, such as supernovae, black holes, and gamma-ray bursts. Even before its formal inauguration, the telescope ...

India now holds the honour of having the world's highest-altitude gamma ray telescope situated at 4,270 metres above sea level and it has the largest mirror in Asia. The Department of Atomic ...

NASA's Chandra X-ray Observatory is one of its most scientifically productive space missions. The telescope has been in space for 25 years, discovering black holes and dark matter. Chandra's best ...

NASA's Chandra X-ray Telescope has observed indications of a venting process occurring near the heart of the Milky Way galaxy. The findings showcase what appears to be an exhaust vent connected to ...