Over 4.6 billion years ago, Earth took shape from a spinning cloud of dust and gas surrounding the young sun. Tiny particles ...

China has successfully deployed the world's first three-satellite constellation on the distant retrograde orbit of the ...

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

As astronomer Katie Mack famously pointed out, an Earth-Sun-Moon syzygy is an apocalypse. The alignment only happens at special times, and that’s because the orbit of the Moon around the Earth ...

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 ...

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

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 ...

due to the moon's rotation. Only when the moon, Earth and the sun are perfectly aligned is the moon 100% full. And sometimes — once in a blue moon — the moon is full twice in a month (or four ...