Earth
Eggshell Planets Have a Thin Brittle Crust and No Mountains or Tectonics
Planets without plate tectonics are unlikely to be habitable. But currently, we've never seen the surface of an exoplanet to…
Landsat 9’s First Images are Here
The latest satellite in the Landsat family of Earth observation spacecraft has collected its “first light” images of our planet.…
Scientists Simulate the Climate of Arrakis. It Turns Out Dune is a Pretty Realistic Exoplanet
Science fiction author Frank Herbert is renowned for the richly-detailed worlds he created. None of his work is more well-known…
Researchers Use Ancient Literature to Track 3,000 Years of Auroras
Auroral activity on Earth varies over time. As the magnetic poles drift, auroras can appear at different latitudes around the…
You Can Blow Up an Asteroid Just a few Months Before it Hits Earth and Prevent 99% of the Damage
So far, the battle between life on Earth and asteroids has been completely one-sided. But not for long. Soon, we'll…
The Early Solar System was Messier and More Violent Than Previously Believed
Our conventional models of planet formation may have to be updated, according to a pair of new papers. Accretion is…
The Moon was Pummeled Even Harder by Asteroids Than it Looks
The Moon's pitted surface tells a tale of repeated impacts over a long period of time. While Earth's active geology…
A New Way to Search for Exomoons
We'd love to find another planet like Earth. Not exactly like Earth; that's kind of ridiculous and probably a little…
Juno Captured This Image of Earth on its Way Out to Jupiter Back in 2013
Since the Juno spacecraft has been in orbit around Jupiter for nearly five years -- since July 4, 2016 --…
Did Asteroid Impacts Provide Both the Heat and Raw Ingredients to Enable Life?
This is our Great Question: How did life begin on Earth? Anyone who says they have the answer is telling…