Paris, France's capital, displays why it is known as the "City of Lights" in this photo taken from on board the International ...

Our planet's closest and brightest neighbor will pass approximately between the Earth and sun this week, in what's called an ...

NASA astronaut Don Pettit captured this stunning long-exposure view of Earth and stars from space at night from the ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. But don't plan on seeing ...

Astronomers have discovered four planets that are just a fraction of the mass of Earth orbiting Barnard’s Star, which is 6 ...

Stargazers are in for a rare celestial treat this week when all the planets in our solar system are set to align on 28 February.

While Venus passes between the Earth and Sun every 19.5 months, it's only about every eight or so years that the planet becomes visible both after sunset and before sunrise, according to the ...

An astronaut recently captured an image of Earth from the International Space Station that ... The image was taken just before sunrise, so the parts of the world visible in the photo are still ...

Seven planets -- Mars, Jupiter, Uranus, Neptune, Mercury, Saturn and Venus -- will be visible simultaneously and look like they're all aligned when seen from Earth after sunset. A long awaited ...