Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

Several planets stand still in the sky, Titan’s shadow transits Saturn, and Venus gives Taurus a second eye in the sky this ...

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.

Kareta says that come October, when the comet gets closer to Earth, "under dark skies ... with a big telescope and some ...

During a record-breaking flight through the sun’s corona in Dec. 2024, NASA’s Parker Solar Probe captured the closest-ever images of our home star. Now, NASA has finally revealed what the daredevil ...