Planetary Formation

‘Diamond’ Super-Earth’s Makeup Called Into Question In New Study

A precious planet? Don't think so fast, a new study says. The so-called "diamond super-Earth", 55 Cancri e, may actually…

11 years ago

Mercury’s Resonant Rotation ‘Should Be Common’ In Alien Planets

Three to two. That's the ratio of the time it takes Mercury to go around the sun (88 days) in…

11 years ago

This Earth-Like Mars Rock Shows Diversity of Red Planet Geology

A strange rock encountered by the Mars Curiosity rover early in its mission has few similarities to other rocks found…

11 years ago

Super-Earth’s Probable Water Atmosphere Revealed In Blue Light

Playing with the filters on a telescope can show us amazing things. In a recent case, Japanese astronomers looked at…

11 years ago

Astronomers See Snow … In Space!

There's an excellent chance of frost in this corner of the universe: astronomers have spotted a "snow line" in a…

11 years ago

To The Moon, Jeremy! Canadian Astronaut Thinks Off-Planet Geology During Arctic Trip

It takes gumption to go knee-deep in mud to save a stranded rover. Or to climb up precarious slopes in…

11 years ago

Flying Space Toasters: Electrified Exoplanets Really Feel the Heat

Overheated and overinflated, hot Jupiters are some of the strangest extrasolar planets to be discovered by the Kepler mission... and…

11 years ago

What Craters on the Moon Teach Us About Earth

When the Moon was receiving its highest number of impacts, so was Earth. Credit: Dan Durda Some questions about our…

11 years ago

From Eternity to Here: The Amazing Origin of our Species (in 90 Seconds)

From the initial expansion of the Big Bang to the birth of the Moon, from the timid scampering of the…

12 years ago

What Has the Kuiper Belt Taught Us About The Solar System?

Over 4 billion miles (6.7 billion km) from the Sun, the Kuiper Belt is a vast zone of frozen worlds…

12 years ago