New simulations suggest Earthlike planets may be much more typical than previously thought whereas water worlds may not.

Dwarf planet 2023 KQ14, Ammonite, has a stable orbit that challenges the hypothesis of the mysterious Planet Nine.

There had to be few things on the entire planet Friday night that felt better than the home run hit by Elly De La Cruz for the Cincinnati Reds. The incredibly talented star had not homered since July ...

Normally when a medium-size star dies, it blasts away the bulk of material in its system. The Hubble discovery was surprising ...

After repeated warnings, investigators discovered he had shifted operations to another site, where they again found mixed ...

NASA scientists say a rock sample collected by the Perseverance rover in Jezero Crater may contain the strongest signs yet of ...

Since astronomers found the first planets outside our solar system in 1992 and the first planet around a sunlike star in 1995 ...

Our planet has apparently had a small companion that went undetected for decades. What took so long to find it and why was it hidden?

Scientists have found thousands of planets outside our solar system, called exoplanets, throughout the galaxy. This artist’s ...

Recently, in a “wild” new spin on the theory, known as directed panspermia, it’s been suggested that “aliens sent microbes or ...

CLEVELAND, Miss. (AP) — An autopsy by the office of Mississippi’s state medical examiner concluded that a Black student found ...

If the planet continues to warm at its current rate, exposure to wildfire smoke will kill an estimated 70,000 Americans each ...