Are we alone in the universe? While no one can say for sure, space scientists know where to start looking—exoplanets. An ...

Yet despite the drumbeat of evidence, we still know of just one planet in the cosmos with life — the one you’re standing on.

Future missions to Venus could also supply additional data on the density and temperature of the planet's crust, which could ...

Even more exciting, the model suggests that some Earth-like planets could form in the habitable zone—the region around a star ...

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

Pollard A quartet of Earth-like worlds, each about 20% to 30% the size of our planet, circle one of our closest stellar ... a ...

The gap labelled 3:1 harbors both Alinda and 2024 YR4, located at an average distance 2.5 times Earth's orbit radius from ...

The NEO Surveyor fulfills a 2005 act of Congress ordering NASA to catalog 90% of near-Earth objects larger than 459 feet, ...

But while lifeless during that time, the planet was already covered by vast oceans dotted with hydrothermal vent systems that ...

Life could have the time and energy to arise and prosper on Earth-like worlds in the rapidly shrinking "Goldilocks zones" ...

A new study challenges traditional models of how planets form. A new analysis of existing data suggests that exoplanets with masses comparable to Jupiter may have formed significantly earlier than ...

While life on Earth does usually find a way, it is not without some intense past–and future–periods of mass death. Extinction is not exclusive to dinosaurs. Our planet has gone through at ...