Up for a challenge? If skies are clear, you may be able to complete a rare feat of visual athletics this coming weekend, and ...

More than 60 years after the first debunked discovery of a planet orbiting Barnard’s Star, the closest single-star system to Earth, a pair of telescopes has revealed multiple rocky worlds around it ...

John Mullen has learnt a lot from the likes of Matthew Flinders, the first man to circumnavigate Australia, and 16th-century Portuguese explorer Ferdinand Magellan.

Discover the significance of the spring equinox, the balance of day and night, and how cultures around the world celebrate ...

For those of us who approach things by the Goldilocks Principle (not too little, not too much), spring equinox is ...

As the Northern Hemisphere welcomes spring today, the Southern Hemisphere is marked with the first day of autumn.

The difference between an equinox and a solstice is based on Earth’s tilt, affecting daylight length and the changing of ...

The aurora borealis has jumped to the top of many travelers' wish lists, creating a tourism boom in the northernmost reaches ...

These rather small planets are a stone's throw from Earth in galactic terms, but were too small for previous instruments to ...

A quartet of small, rocky exoplanets likely circle Barnard's Star, around 6 billion light-years from Earth, putting them in ...

Climate change is the most pressing problem humanity will face this century. Tracking how the climate is actually changing ...

Last year, astronomers announced that a planet orbits Barnard’s star. Now, researchers have confirmed the existence of three more.