The two exoplanets, or planets outside of our solar system, orbit a star called TOI-1453, which is slightly cooler and ...

Known as SIMP 0136, the $10 billion James Webb Space Telescope caught a glimpse of it floating through the universe all by ...

Suppose humanity was faced with an extinction-level event. Not just high odds, but certain-sure. A nearby supernova will ...

After more than a decade of mapping the stars, the European spacecraft was shut down on Thursday. But its legacy lives on.

The threat from near-Earth asteroid 2024 YR4 may have subsided, but discoveries of other hazardous space rocks are set to ...

Slideshows ...

This week, we examine the "SignalGate" controversy and how U.S. military strike plans were unintentionally shared with The ...

Prior to 2040, the last planetary quintuplet occurred in the year 1186, and according to Uptain, records show that the close ...

All planets are made of gas, ice, rock and metal, and models of how planets form usually assume that these materials don't ...