Mercury is the closest planet to the sun, followed by Venus, Earth, Mars, Jupiter, Saturn, Uranus and Neptune. Mercury orbits ...

Why is Venus so different? Several scientific instruments are to explore our neighboring planet. ESA has now awarded the ...

February stargazing is fantastic for many reasons, but this year there’s a one-two-three punch of bright planets adding to ...

A super-Earth planet that dips in and out of its star's habitable zone has been discovered just 19.7 light-years away.

The number of planets that orbit the sun depends on what you mean by “planet,” and that’s not so easy to define ...

Venus, Jupiter, and Mars dominate the sky. Catch your last views of Saturn as early in the month, the Moon passes in front of ...

Mars, Venus, Jupiter, and Saturn should be visible to the naked eye. The six planets will be visible until February 9. You'll ...

Thales Alenia Space has signed a contract with the European Space Agency to build the EnVision spacecraft that will unveil Venus’ deepest mysteries •           As prime contractor, Thales Alenia Space ...

Just as Sun, Moon, Mercury, Venus and Mars move through the signs of the zodiac as they orbit, so do the outer planets.

There may be something about Earth’s remote places that root many of humanity’s greatest achievements in space. John Glenn ...

February brings a rare planetary parade, with five bright planets in clear view and a special alignment of Mercury and Saturn ...

The “asteroid” wasn’t a space rock after all. It was a cherry-red Tesla Roadster that Elon Musk launched into space to much ...