With an equatorial diameter of 7926 miles (12,760 kilometers), our planet Earth is the biggest of the terrestrial planets and ...

Pluto may not be a planet any more, but you still have a chance to see the distant dwarf planet at one of Michigan's ...

A parade of seven planets is set to appear in the night sky this month, and it will be the last of its kind until 2040.

“New Horizons shattered a major paradigm of planetary science,” says Alan Stern, the mission’s principal investigator. “Pluto ...

Planet demographics reveal a puzzling lack of worlds in a certain size range throughout the galaxy F or centuries our solar system was the only planetary system known to humans. We had no proof other ...

When astronomers detected the first known interstellar object, 'Oumuamua, in 2017, it sparked a host of new studies trying to ...

Next2Sun has introduced the world’s first bifacial photovoltaic (PV) solar fence that aims to both generate electricity and ...

The Alpha Centauri star system is approaching the sun. Two researchers have determined how many objects from there have ...

In the Milky Way's central bulge, about 24,000 light-years from Earth, a peculiar pair of objects appears to be hurtling ...

Whether you’re an astronomer, ordinary stargazer or astrologer, the alignment of the other seven planets in our solar system ...

A freeze on federal loans and grants is creating turmoil for some rural U.S. business owners who fear they won’t get ...

Swiss aviation pioneer Bertrand Piccard is developing a plane powered by liquid hydrogen after a much-hyped flight in 2015 ...