NASA’s Nancy Grace Roman Space Telescope will conduct a wide-area survey to study dark matter, dark energy, and the expansion of the universe across 11 billion light-years.

New observations from NASA's James Webb Space Telescope (JWST) suggest that even extremely massive gas giants — once thought ...

The existence of massive, elliptical galaxies in the early universe has puzzled astronomers for two decades. An international ...

By squeezing terahertz light beyond its usual limits, researchers have exposed hidden quantum "jiggles" inside a ...

Gas giants are large planets mostly composed of helium and/or hydrogen. Although these planets have dense cores, they don't ...

Hubble observations reveal a giant, turbulent planet-forming disk that may reshape theories of how planetary systems develop.

Recently discovered interstellar comet 3I/ATLAS have been captured using the European Southern Observatory's Very Large Telescope (VLT). The Asteroid Terrestrial-impact Last Alert System (ATLAS) ...

I have been writing about the Giant Magellan Telescope for a long time. Nearly two decades ago, for example, I wrote that time was “running out” in the race to build the next great optical telescope ...

Eric and Wendy Schmidt are backing a start-up-like approach to building a giant space telescope and powerful ground observatories. By Kenneth Chang Kenneth Chang reported on the unveiling of Schmidt ...

PHOENIX — A billionaire-backed philanthropic organization is funding the development of a series of new observatories, including a space telescope larger than Hubble that its backers say can be built ...

A notional concept for NASA's Habitable Worlds Observatory, a large space telescope proposed to launch as soon as the early 2040s. Credit: NASA's Goddard Space Flight Center Conceptual Image Lab ...