BEIJING -- China has successfully established the world's first three-satellite constellation based on the Distant Retrograde ...

An astral animated TED-Ed lesson written by Elise Cutts explains how the tides on Earth are impacted both by the sun and the ...

A new AI model from the University of Bern predicts planetary systems likely to host Earth-like planets. It could boost the ...

New research has revealed that the cosmological model developed by Nicolaus Copernicus, the renowned European Renaissance ...

Venus could make a brief appearance this weekend as it passes between the Earth and the sun. Just be warned: It won't be easy to spot in the sun's glow, according to astronomers. The orbit Venus ...

The company now plans to extend into on-orbit servicing and refueling missions, end-of-mission disposal, and cross-orbit ...

An inferior conjunction of Venus happens when the planet swings between the sun and Earth. Such an alignment happens about every 19 months because of how Venus and Earth orbit the sun. The moment ...

Gravity pulls us to earth, a lesson you learn viscerally the first time you fall. Isaac Newton described gravity as a ...

Earth, is precisely sandwiched between the Sun and the Moon. This alignment ensures the entire side of the Moon that faces us gleams under sunlight. Thanks to the Moon’s orbit around Earth ...

Did Copernicus borrow his cosmological theory from an earlier Muslim scientist? New research finds striking resemblance between Copernicus’s heliocentric treatise and a Muslim scientist’s cosmological ...