Over the past decade, researchers have been puzzling through Pluto’s mysteries. Meanwhile, the New Horizons probe heads for interstellar space.

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Sedna, a distant dwarf planet three-quarters the size of Pluto, is inching toward the brightest star in our sky — and in 2076 ...

Visiting Space Coast, Florida? Tourists may want to see a launch from NASA’s Kennedy Space Center or Cape Canaveral, an hour ...

On July 4, Venus begins its journey through the curious and fickle sign of Gemini, sparking a whirlwind of restlessness when ...

Once again, Elon Musk is front-page news across the world - but this time, the disruption is not about electric cars or space travel. It is about American politics. After months of visible friction ...

Your weekly horoscope is here and it's all about the big change ahead, as Uranus is on the move and Neptune is readying for .

Celebrate the Fourth with the Fireworks Galaxy, then check out the Demon Star Algol and the Full Buck Moon in the sky this ...

Watch the waning gibbous moon, Saturn, and Neptune meet in the night sky around midnight on July 16. The trio will travel ...

The first ever recorded 'planet with a death wish' orbits so close to its host star that it triggers huge flares of radiation ...

Sedna will make its closest approach to the Sun in 2076, giving us a rare opportunity to visit the planetoid before it drifts ...

The cosmos is sending waves of energy your way — some exhilarating, some challenging — in July, but all will help propel you ...