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.

The number of satellites in space continues to rise due to the deployment of megaconstellations. For decades, humanity has ...

From an interstellar comet to breathtaking auroras and from brand-new rockets to iconic space telescopes, here are some of our favorite images from the cosmos in 2025 ...

Scientists discovered 128 new moons orbiting Saturn, bringing the planet’s total to 274. Many of these moons are “only a few ...

In a year packed full of phenomenal cometary capers, astrophotographer Dan Bartlett captured a staggering image of comet ...

“Megaconstellations” of vast numbers of satellites could threaten space-based astronomy, scientists have warned. In recent years, companies such as Elon Musk’s SpaceX have launched thousands of new ...

In a small blow to the search for extraterrestrial life, a nearby star shot out a strong enough coronal mass ejection to strip away the atmosphere of any rocky planets that could have been in the way.

Earth's nearest celestial neighbor is set to take center stage in 2026, with major lunar missions and a rare solar eclipse ...

CONFIDENCE IN HAPPENING YESTERDAY. NEW MEXICO STATE UNIVERSITY ASTRONOMER RECENTLY SAW SOMETHING UNUSUAL DURING HIS RESEARCH OF SPACE, AND IT COULD HELP US UNDERSTAND HOW PLANETS FORM. VLADIMIR LYRA ...

Throughout 2025, there have been several chances to spot the Northern Lights across Canada. The best of all these ...

A faint radio "whisper" from ancient hydrogen reveals the universe was heating up long before it filled with starlight. When you purchase through links on our site, we may earn an affiliate commission ...