Would we have continents without asteroid impacts?
Early Earth was a wild and wooly place.
In its first billion years, during a period called the Archean, our planet was still hot from...
More than one asteroid could have wiped out the dinosaurs
Scientists have found evidence of an asteroid impact crater beneath the North Atlantic Ocean that could force researchers to rethink how the dinosaurs reached...
What is the maximum number of moons that earth could have?
In a recent study published in Earth and Planetary Astrophysics, scientists estimated how many moons could theoretically orbit the Earth while maintaining present conditions...
Scientists capture the sharpest image ever of universe’s most massive known star
By harnessing the capabilities of the 8.1-meter Gemini South telescope in Chile, astronomers have obtained the sharpest image ever of the star R136a1, the...
New discovery may offer clues to missing pulsars
Millisecond pulsars (MSPs) are evolved neutron stars with short spin periods that have gone through a long period of mass transfer in a low-mass...
Mars model provides method for landing humans on Red Planet
A mathematical model developed by space medicine experts from The Australian National University (ANU) could be used to predict whether an astronaut can safely...
How sulfur clouds can form in Venus’ atmosphere
High in the atmosphere of Venus, a swirl of sulfur-containing clouds blankets the planet.
Dark spots in these clouds correspond with areas of high ultraviolet...
How to harvest resources on Mars with plasmas
Scientists came up with a plasma-based way to produce and separate oxygen within the Martian environment.
It's a complementary approach to NASA's Mars Oxygen In-Situ...
Black hole collisions could help us measure how fast the universe is expanding
A black hole is usually where information goes to disappear—but scientists may have found a trick to use its last moments to tell us...
Jupiter’s moon Europa has less salty ice shell than previously thought
Below Europa’s thick icy crust is a massive, global ocean where the snow floats upwards onto inverted ice peaks and submerged ravines.
The bizarre underwater...