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.

On record 2025 as one of the most amazing years in contemporary astronomy, providing findings that would turn our collective ...

In 2025, astronomers revealed nearby exoplanets, a rare interstellar comet, possible biosignatures on Mars, and an ...

One story rose above all the others — new and older telescopes are putting us on the cusp of monumental discoveries about our universe.

The universe’s expansion might not be accelerating but slowing down, a new study suggests. If confirmed, the finding would upend decades of established astronomical assumptions and rewrite our ...

For the first time, ESA will cover a major international asteroid impact exercise live via social media, highlighting the the actions that might be taken by scientists, space agencies and civil ...

The world of science is constantly evolving, driven by human curiosity and the quest for knowledge. New discoveries are made daily, pushing the boundaries of our understanding and opening up fresh ...

New discoveries and fresh looks at familiar worlds show how far exoplanet science has come — and how much remains unknown. When you purchase through links on our site, we may earn an affiliate ...

Dec. 5, 2025: Our weekly roundup of the latest science in the news, as well as a few fascinating articles to keep you entertained over the weekend. When you purchase through links on our site, we may ...

Astronomers found a young galaxy cluster with unexpectedly hot gas, suggesting cosmic structures formed faster than once ...

Astronomers using theSubaru Telescope in Hawaiʻi have made groundbreaking discoveries, unveiling a massive planet and a brown dwarf orbiting distant stars. These findings, detailed in a study ...