In 1986, a gigantic iceberg separated from the Fichner-Ronne ice shelf in West Antarctica. It was so big that it…
Stars are gravitationally fastened to their galaxies and move in concert with their surroundings. But sometimes, something breaks the bond.…
While preparing for the threat of an asteroid strike might seem like a hypothetical exercise, it's really not. The Solar…
A bewildering number of factors and variables led up to the planet we occupy today, where life finds a way…
Earth's early history is marked by massive collisions with other objects, including planetesimals. One of the defining events in our…
When a giant meteor crashed into Earth 66 million years ago, the impact pulverized cubic kilometers of rock and blasted…
Even though Venus is very similar to Earth in many ways, it's a hell-world with a runaway greenhouse effect. It…
A recent study published in Nature Geoscience uses supercomputer climate models to examine how a supercontinent, dubbed Pangea Ultima (also…
Earth was once entirely molten. Planetary scientists call this phase in a planet's evolution a magma ocean, and Earth may…
The ESA launched Gaia in 2013 with one overarching goal: to map more than one billion stars in the Milky…