"Without Mars, Earth's orbit would be missing major climate cycles. What would humans and other animals even look like if ...

Earth and its neighbors orbit the sun on a relatively flat plane. But what's below this plane, and is anythign below the ...

When my colleagues and I send them out to explore our solar system, it's important for us to understand the 3D map of our ...

At half the size of Earth and one-tenth its mass, Mars is a featherweight as far as planets go. Yet new research reveals the ...

From the deck of a ship or the window of a plane, it feels obvious that “down” points toward Earth and “up” points toward the ...

Around the bright star Fomalhaut, astronomers spotted glowing clouds of debris left behind by colossal collisions between ...

Astronomers have long sought evidence to explain why comets at the outskirts of our own solar system contain crystalline ...

There is a place on Earth where rain is almost a stranger, yet life continues quietly and steadily. In northern Chile lies ...

Choose your fighter for the origin of water on Earth! Was it always here or did it come to this planet from somewhere else in space? And, either way, what does this mean for other water worlds in our ...

But rare earth minerals are not Greenland’s only natural resource. Many “occurrences of graphite and graphite schist are ...

New NASA Administrator Jared Isaacman said ending the mission a little early is in the best interest of Crew-11. The ...

This is the time of year when many of us hail “peace on earth” and earnestly repeat lines about “good will to all.” So maybe it’s also a moment to hold ourselves accountable for our collective ...