Astronomers have spotted a new interstellar object — the third of its kind ever seen — shooting towards us through the solar ...

Astronomers tracking an interstellar object flying through the solar system think it comes from a star at least 8 billion ...

What at first seemed a routine detection of an object travelling through the solar system soon turned out to be anything but. The object’s trajectory revealed it to be a much rarer visitor than first ...

NASA's leadership change comes at a pivotal moment for the agency, which is already bracing for potentially severe funding ...

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.

In our analysis this week, we look at how NASA's proposed budget would slash the agency's science division by nearly 50%.

Emily Kwong and Regina Barber of NPR's Short Wave talk about a comet visiting from interstellar space, caterpillars that eat ...

Mars has lost immense amounts of water over it lifetime, and scientists aren't sure exactly how. New research hints that the ...