Earth

Planets, Solar System

Icy, Earth-like worlds may be rare

Solar System

How drones found the meteorite that lit up the Australian night sky

Solar System

An asteroid impact could wipe out a city — but NASA has plans to prevent a catastrophe

Solar System

Space archaeology takes aim at Earth

Solar System

Ice holds evidence of ancient, massive solar storm

Solar System

If a planet-killing asteroid threatens Earth, these astronomers have a plan

Cosmology, Solar System

Earth Is spinning faster now than it was 50 years ago

Solar System

Exoplanet Earth: What our world tells us about the cosmos

Solar System

Earth’s equatorial bulge shapes the planet’s physics

Solar System, The Moon

Henson Crater: Lunar impact site named for Arctic explorer

Solar System

When north goes south: Is Earth’s magnetic field flipping?

Robotic Spaceflight, Solar System

Ask Astro: How did Earth’s gravity capture (then lose) a 50-year-old rocket booster?