Small but mighty, the red planet — our celestial neighbor — has made Earth’s climate what it is today. Mars’ gravitational ...

Trump’s push to break that chokepoint is lifting rare-earths startups. Phoenix Tailings, a startup focused on recycling ...

Some 350 light-years away, the V1298 Tau system features an infant sun-like star, just 23 million years old, orbited by four ...

Earth has experienced many icehouse and greenhouse climates. A new study shows how they connect to plate tectonics.