Orbital precession greatly influences North ... Model, proxy and isotopic perspectives on the East African Humid Period. Earth and Planetary Science Letters 307, 103-112 (2011).

The planet's home star, IRAS 04125+2902, sits just over 520 light-years from Earth, making it quite close in galactic terms.

The team's hypothesis calls for a temporary ring around Earth, which would explain why impacts were constrained to a ...

A few milliseconds added to that 24-hour period could cause problems ... The moon uses Earth’s rotational energy to take it into an orbital path slightly farther away. In about 200 million ...

Quite a few comets pass through Earth's orbits every year, but the so-called devil comet earned a rather unique nickname.

Earth is saying goodbye to an asteroid that has been a "mini-moon" of sorts since late September, when it joined the planet's ...

Asteroids that could threaten Earth are all 140 meters or less ... DART made a deflection that reduced the orbital period, he says. The more we do the deflection in advance, the less energy ...