You Need Just the Right Amount of Killer Asteroids to Promote Complex Life

An artist’s impression of the different configurations of asteroid belts that could occur. Image credit: NASA/ESA/A. Feild, STScI Sure, asteroids can be planetary annihilators, scouring the surface of a world with fire and molten rock. But asteroids might also help seed a planet with the right ingredients to set up the conditions for life, and …

What a View! Exoplanet Odd Couple Orbit in Close Proximity

Imagine if the Neptune was only a million miles from Earth. What a view we’d have! … not to mention some incredible gravitational effects from the close-by, gigantic planet. A similar scenario is taking place for real in star system in the constellation Cygnus. A newly found planet duo orbiting a sun-like star come together …

Doomed Mercury-Sized Exoplanet May Be Turning to Dust

[/caption] The old saying of the universe being stranger than we can imagine definitely applies to a newfound exoplanet orbiting a star about 1,500 light years from Earth. Researchers using the Kepler space observatory have detected what appears to be a planet about the size of Mercury literally turning to dust. A long tail of …

Alien Life May Not Be So Alien – If It Exists At All

[/caption] Are we too hopeful in our hunt for extraterrestrial life? Regardless of exoplanet counts, super-Earths and Goldilocks zones, the probability of life elsewhere in the Universe is still a moot point — to date, we still only know of one instance of it. But even if life does exist somehow, somewhere besides Earth, would …

Cassini Exposes Phoebe As More Planet Than Moon

[/caption] Saturn’s curious moon Phoebe features a heavily-cratered shape and orbits the ringed planet backwards at a considerable distance of over 8 million miles (12.8 million km). According to recent news from the Cassini mission Phoebe may actually be a Kuiper Belt object, having more in common with planets than it does with any of …