The hunt for worlds beyond our solar system has shifted from counting planets to confronting extremes that strain basic physics. In 2025, astronomers did not just add new dots to the map, they ...

Astronomers have spotted two giant planets forming around a young star—offering a stunning glimpse of how our Solar System ...

When astronomers search for planets that could host liquid water on their surface, they start by looking at a star's habitable zone. Water is a key ingredient for life, and on a planet too close to ...

The amount of heat trapped by the Earth reached record levels in 2025, with the consequences of such warming feared to last for thousands of years, the UN warned Monday. The 11 hottest years ever ...

Forbes contributors publish independent expert analyses and insights. An award-winning reporter writing about stargazing and the night sky. What is the bright white star in the east right now?