From new exoplanetary neighbors and a weakening dark energy to the best evidence for life on Mars and an interstellar comet ...

Here is a look at just a few of the biggest developments in astronomy that The Debrief has been tracking in 2025.

In 2025, astronomers sharpened their view of the planetary system around Proxima Centauri — the sun's closest stellar ...

After years of lobbying, legislation and public back-and-forth, the Space Shuttle Discovery still isn't headed to Houston-and ...

We're taking a look back at 10 of the most memorable space moments from 2025, as we leap into a new year that's sure to be ...

Astronomers using W. M. Keck Observatory and Subaru Telescope on the Big Island’s Mauna Kea discovered a massive planet and a brown dwarf orbiting distant stars — two rare companions that deepen our ...

Claims accusing NASA of hiding details have sparked anger over the 3I/ATLAS space discovery photos. There is an object from ...

An international team of astronomers has achieved a first in probing the early universe, using the James Webb Space Telescope ...

(PhysOrg.com) -- Space shuttle Discovery and its seven-member crew lifted off from NASA's Kennedy Space Center at 7:43 p.m. EDT Sunday to deliver the final set of power-generating solar array wings ...

The discovery of the Kuiper Belt fundamentally reshaped our understanding of the solar system's architecture and population, revealing a far larger and more complex system than previously imagined.

Introduction: the natural history of the heavens and the natural history of discovery -- Part I. Entrée: 1. The Pluto affair -- Part II. Narratives of Discovery: 2. Moons, rings, and asteroids: ...