This is the background to the discovery of super-Earth HD 20794 d by an international team including the University of Geneva (UNIGE) and the NCCR PlanetS. The new planet lies in an eccentric ...

NASA’s James Webb Space Telescope has discovered 55 Cancri e, a super-Earth located 41 light-years away. This planet, five ...

HD 20794 d is six times Earth ... The planet’s signal was barely detectable, requiring high-precision instruments like HARPS and ESPRESSO to separate it from background noise.

Earth is our home planet, and it's the only place in the universe where we know for certain that life exists. Earth formed over 4.5 billion years ago from a swirling cloud of gas and dust squished ...

Satellite imagery provides a unique perspective on our planet and can encompass a wide ... Every week, we take a bird's eye view of Earth, and see how it affects the people living on it.

Each planet in our solar system takes a different amount of time to complete one orbit around the sun. For example, Mercury, being closest to the sun, takes just 88 Earth days to complete one orbit.

Narrator: 4 and a half billion years ago, clouds of cosmic dust and gas which were orbiting the Sun collided into one another, creating the Earth, our planet, the home of mankind. It spins at 1000 ...