As 2025 draws to a close, we look back at the year and, in the world of science, at the findings that have kept the world on its toes. Space aficionados, in particular, have had a thrilling time.

Astronomers have proposed a radical idea: dark matter—the mysterious substance making up most of the universe’s mass, might ...

Astronomers may have uncovered a massive hidden planet far beyond Neptune, using decades-old infrared data. The object’s ...

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

Astronomers discovered a new moon of Uranus and hundreds of moons around Saturn over the past year, and there may be many ...

Both boson stars and Q-balls, which live under the more general heading of exotic astrophysical dark objects (EADOs), are ...

One estimate by an engineer in SCU forecasts that given 300 "actual" UAP sightings per year — and assuming random ...

Astronomer Avi Loeb argued that other objects like interstellar visitor 3I/ATLAS could be useful for reaching out to aliens, if they exist.

Astronomers have discovered a carbon-rich exoplanet with a bizarre atmosphere and shape, orbiting a neutron star under extreme conditions that challenge current models of planetary formation. Scientis ...

I/ATLAS has passed its closest point to Earth, meaning we will soon lose sight of it for good. Some scientists want to send a spacecraft to chase down the alien comet — or the next interstellar object ...

As of August 2024, there were reportedly more than 700 unidentified objects in the Space-Track catalogue maintained by the ...

Mysterious Bright Flashes in the Night Sky Baffle Astronomers Celestial transients shine furiously and briefly. Astronomers ...