Quasars Tsunamis: Using NASA’s Hubble Space Telescope, astronomers have discovered the most energetic outflows ever witnessed ...

One such telescope is the Chandra X-ray Observatory. Well, for most of you, the instant question upon hearing its name is: ...

A compound lens forged by two galaxies is helping astronomers get a bead on the Hubble Constant and dark energy.

New observations suggest that the universe’s oldest galaxies are brighter than expected. Here's why this may be a big deal.

NASA hopes the Parker Solar Probe will help solve the most perplexing mysteries of the sun. Astrophysicist Nour Rawafi ...

Saturn will undergo a drastic change in the coming months, at least as the planet is seen from Earth. Here's what's going to ...

The Arecibo Message as it appears when its 1,679 bits are properly aligned on a grid (left), an annotated illustration ...

From lunar missions to Mars settlements, SpaceX is revolutionizing space travel. But has Musk truly outpaced the competition?

The Chandra X-ray Observatory is the darling of high-energy astrophysics. Famed for providing unequaled x-ray views of ...

The James Webb telescope has spotted three gigantic "red monster" galaxies that were spawned soon after the Big Bang. They're ...

Webb captures merging galaxy pairs known as II ZW 96. It is located around 500 million light-years away from Earth.

NASA selects two proposals for missions to observe X-ray and far-infrared wavelengths of light from space for additional ...