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

Earth objects, astronomers recently discovered a comet visiting from interstellar space. This is only the third interstellar ...

In physics terms, radiation is simply energy on the move, carried by waves like sunlight or particles like those released by ...

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.

For only the third time in recorded history, an interstellar object has crossed into our solar system, creating quite the ...

The experimental director Jem Cohen’s latest is an uncategorizable film about astronomers and humanity and love and the stars ...

Join us as we dive into Mars like never before, with breathtaking 4K footage captured by NASA's rovers, including Curiosity, Opportunity, and Spirit. In this video, you’ll get an up-close look at Mars ...