The sun contains over 99% of the mass of our entire solar system. Like Earth, the sun also rotates on its axis. Each rotation takes about 27 Earth days.

Passing Star Could Send Earth on a Cosmic Detour Pluto, once our solar system’s ninth planet, could be impacted by one of these stars. So could Mercury and Mars (Credit: NASA/JHUAPL/SwRI) ...

The question of whether life exists outside of Earth has been a concern of humans for centuries. A team of German and Chinese scientists may not have discovered any aliens, but they have ...

The dwarf planet candidate’s closest point to the sun is about 7 billion kilometers, roughly 45 times that of Earth’s distance. One trip around the sun takes more than 24,000 years.

Scientists have discovered that at least seven Earth-sized worlds circle the star TRAPPIST-1, a ultracool dwarf star only about 40 light-years (235 trillion miles) from Earth.

A swirling solar system The new study finds that in 2135, Bennu will come within about 123,000 miles of Earth’s surface, give or take 6,000 miles, a much more precise range than previous estimates.

Nissan Motor India has announced a series of green initiatives to mark World Environment Day. The dealers have installed grid-based solar electricity generation systems at seven of its dealerships ...

BEIJING (Reuters) -China has introduced a tracking system for its rare earth magnet sector, three sources said, as its export restrictions on them begin to cut off customers around the world. The ...

The average 6.5 kW solar panel system costs between $16,600 and $20,500, but you could see prices as little as $7,700 for a smaller system or upward of $34,700 for a larger system.

It can be recharged using solar panels, so you can rely on stored solar energy during power outages. The Powerwall 3 has an energy capacity of 13.5 kWh and can deliver continuous power of 11.5 kW.

The spiral is "a striking shift in our understanding of the outer solar system," planetary scientist Andre Izidoro with Rice University, who was not involved with the study, said in an email. The ...