An international team of astronomers has uncovered subtle but significant signs that the cosmic engines powering quasars, ...

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

A mysterious force called Dark Energy might be changing, in a way that challenges our current understanding of the nature of time and space.

Scientists have discovered that our entire solar system is racing through the Milky Way far faster than current models ...

The James Webb Space Telescope blasted off from a launchpad in French Guiana in 2021, before reaching a spot in orbit a million miles away. It soon began breaking cosmology.

Scientists using the James Webb telescope observed a distant exoplanet with an atmosphere of soot and diamonds, challenging ...

Astronomers have used the Keck Observatory's DEIMOS multi-object spectrograph to observe a nearby galaxy cluster designated ...

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

But the Big Bang theory predicts that about 5% of the universe's contents should be atoms made of protons, neutrons and ...

One of the most iconic symbols of the season, a Christmas tree. This celestial version takes an optical light image (red, ...

Astronomers discovered the 40,000th near-Earth asteroid, taking the tally to 40,155 per NASA (as of the first week of ...