Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles within this cloud collided and clumped together, driven by gravity and ...

The crucial manoeuvre scheduled for Friday will use the gravity of Mars to shift Psyche onto the right path, a faster and cheaper method NASA scientists say could help unlock clues about the birth of ...

Blue oceans, green forests, a cozy blanket of oxygen. Our planet is a super comfy home. It’s hard to imagine there was ever a time it didn’t exist. I asked my friend Julie Ménard how Earth formed. She ...