one that no other planet in our Solar System can currently match. Will Humans Ever Live on Another Planet ? If we look at the planets in our Solar System—Mercury to Neptune—none offer the ...

Dimethyl sulfide is cool—and a potential biosignature—but scientists are urging caution before we declare a plankton party ...

Earth has four seasons, but do other planets in our solar system also have hot summer days and cold winter nights?

To continue Popinchalk's city analogy, by looking beyond the Milky Way we're asking how many people live in all the cities on Earth. "If our galaxy has around 100 billion planets, and there are ...

Astronomers announced Thursday that they had detected the most promising "hints" of potential life on a planet beyond ... there," he said. "I can realistically say that we can confirm this signal ...

Astronomers have discovered that "super-Earth" planets may exist on wider orbits than previously thought — and this implies these rocky, or "terrestrial," worlds are far more common than was suspected ...

For the 55th year, the world is using the day to celebrate Mother Nature and the wonderful planet we live on ... and ways we can protect and preserve its beauty. That being said, here's everything ...

Le Verrier finally had proof that a new planet, later named Neptune, existed. Apparently the Astronomer Royal, George Biddell Airy, never lived it down - we can see why! And finally, we have Pluto.

However, if we find nothing on 50 planets, then we do know that life is far rarer than what some optimists believe today. And we could express this rarity in the form of a number. We can't do that ...