With 10 times the mass of our planet, and spending only part of its orbit in the habitable zone, Kepler-725c is very ...

Kepler-725c is roughly 2,472 light years from Earth, circling a G9V star in about 207.5 days. Its path brings it into a ...

New research on the orbits of these mysterious asteroids near Venus stress the need for better space rock surveillance.

The number of satellites orbiting Earth is rising fast, thanks to private companies such as SpaceX. But just how big will ...

SCIENTISTS have stumbled across a new Super-Earth that orbits inside its star’s habitable zone with a new alien-hunting tool.

"Are we alone?" This ancient question has occupied humanity's mind for a long time. In 1995, the discovery of the first ...

The service announced the award Monday, making the company the first to be on contract for the program’s second installment, ...

Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

This June, the Milky Way’s brilliant heart lights up the night as planets align and the solstice sun marks Earth’s celestial tipping point.

Tianwen, which means "questions to heaven," is the name given to China's program of robotic Solar System exploration. Tianwen ...