A planetary dispute turns cosmic. When Uranus ventures too close to Earth, tensions rise and the solar system watches.

A team of scientists has investigated how Earth’s twin became so inhospitable, and whether the same will happen to our planet ...

Curiosity Point 1: A catastrophic event turned Venus into a hellish world?

Despite seeming like Earth's twin, Venus is a strange and mysterious place. Scientists haven't known what made it so odd, but that might have just changed.

Three celestial bodies will meet up for one night in September in a cosmic conjunction that should be widely visible in the Kentucky sky. What to know ...

Three celestial bodies are preparing to meet up for one night in September in a cosmic conjunction that should be widely visible in the sky.

Curiosity Point 1: A catastrophic event turned Venus into a hellish world?

In the search for habitable exoplanets, atmospheric conditions play a key role in determining if a planet can sustain liquid ...

"We consider this phenomenon as a promising candidate to explain the fact that the solar activity is much more benign than that of other sun-like stars." A new study suggests that the planets in our ...

Impact history should be considered a key factor in the search for habitable Earth-like exoplanets. Southwest Research ...

An incredible new theory suggests that the mysterious interstellar object traveling through our solar system is not alone.