Learn how researchers may have discovered an exomoon about 635 light-years away orbiting gas giant exoplanet WASP-4b. Credits ...

The James Webb Space Telescope detected an atmosphere on a lava-covered exoplanet, evidence that small planets close to stars ...

Discovered in 2011 by NASA's Kepler Space Telescope, TrEs-2b absorbs 99% of the light it is struck with and reflects only 1%, ...

Xi Zhang, a professor of Earth and planetary science at UC Santa Cruz, has discovered that an exoplanet classed as a ...

Earth exoplanets orbiting M-dwarf stars, identifying specific candidates that may have retained detectable atmospheres.

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

From Viking to Perseverance, scientists have spent decades chasing chemical hints that could point to life beyond Earth.

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

Thirty years ago, astronomers weren’t sure planets beyond our solar system even existed. This year, NASA has confirmed its ...

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

Scientists from several institutions, including the University of Chicago, discovered a lemon-shaped planet with an ...

Pluribus imagines Kepler-22b as an ocean world that sends a gift to humanity through radio waves. In real life, no such ...