Some orbits are ever so slightly elliptical (like a somewhat ... They emerge from the farthest reaches of the solar system, way beyond the orbit of Neptune, then zip past the sun before ...

An international team has confirmed the discovery of a super-Earth orbiting in the habitable zone of a nearby sun-like star.

HD 20794 d completes its orbit just shy of two Earth years, placing it well within reach of conditions that might harbor life ...

India has launched satellites for its satellite navigation system into space. The second failed to reach its intended orbit ...

Scientists found an intriguing world in our galaxy.

An exoplanet is a planet outside our solar system that usually orbits a star in our galaxy. More than 7,000 have been found ...

Ever since Isaac Newton famously talked about gravity, its dominance as a force in our solar system has been well known. It's ...

A recently launched satellite is stuck in space after failing to fire its thrusters, preventing it from reaching its operational orbit.

Earth's unusual orbit through hot and cold conditions tests the limits of tolerability for any known lifeforms.