Earth's radiation budget is a core process of the Earth-atmosphere system, closely linked to global climate and environmental ...

How is it possible for the ISS to stay in orbit? Learn more about the science behind orbiting Earth and more in this NASA ...

The object dubbed Earth's "second moon" is actually a quasi-satellite that's accompanied the planet since 1957 — not a true ...

NASA engineers explain how a new flat satellite design just worked in orbit, and why it could matter far beyond this mission.

Researchers uncover how Mars affects Earth’s orbit, offering new insight into the planetary forces behind ice ages.

Researchers find that shifts in Earth’s orbit can trigger abrupt climate changes, even in warm periods without ice sheets.

T he Hubble Space Telescope (HST) has been pivotal to progress in the last three decades of astronomy and cosmology.

New simulations show Mars plays a key role in shaping Earth’s long-term climate by influencing its orbit and axial tilt over hundreds of thousands to millions of years.

The earth (and humanity) would be very different without our smaller red neighbor. In A Nutshell Computer simulations show ...

Astronomers have long searched for life within a rather narrow ring around a star, the "habitable zone," where a planet ...

A new study suggests lunar soil contains elements that solar wind transported to the moon from Earth’s atmosphere, solving a long-standing astronomy puzzle.

An ailing astronaut has returned to Earth along with three others, ending their space station mission more than a month early ...