Humans might not know of any intelligent beings beyond Earth, but if they exist, they might already know about us. New ...

When large masses of water are moved from one place to another, this changes the shape of Earth and leads to a phenomenon ...

Right now, Earth is about 3.1 million miles farther from the sun than it is in early January when it reaches perihelion, its ...

The planet’s rotation fluctuates as it travels around the sun, and measurements suggest we’re losing more than a millisecond ...

Scientists are looking to the skies today as a huge asteroid is set to skim past Earth at more than 20,000mph as NASA track ...

The newfound exoplanet, called Kepler-139f, is a gigantic world roughly twice the mass of Neptune and 35 times the mass of ...

Because Earth moves in an elliptical orbit around the sun, being further away means it travels slower along its orbit. This increases the time it takes to get from the solstice, the beginning of ...

When the moon is positioned farther from Earth's equator and closer to the poles, its pull on the planet becomes weaker. With ...

Radar systems used by civilian airports and military operations are inadvertently revealing our existence to potential ...

A cosmic void could be distorting how we see the universe expand. Sound from the Big Bang may hold the clues. According to astronomers, Earth and the entire Milky Way galaxy might be located within a ...

Our galaxy may reside in a billion-light-year-wide cosmic bubble that accelerates local expansion, potentially settling the ...

Eruptions of plasma piling atop one another, solar wind streaming out in exquisite detail -- the closest-ever images of our ...