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%.

Observations from NASA’s Juno spacecraft reveal that Jupiter’s strong magnetic field and the unique properties of its plasma ...

NASA's Voyager 1 was launched on a mission that was originally expected to last just five years. Fast forward nearly 50 years, and the spacecraft is still traveling through uncharted regions of space, ...

Hubble Space Telescope images of Jupiter have been "photo-mapped onto a sphere," and animated into a full rotation, according ...

As the administration slashes spending on science, NASA is running low on new missions.

The event, titled "Out of This World," will feature the Massapequa Philharmonic performing composer Gustav Holst's masterwork ...

"Eight minutes later, the orbiter started receiving data from the descent probe, which slammed into the top of the Jovian atmosphere at a comet-like speed of 170,000 kilometers per hour," NASA ...

Bluish-white Regulus in Leo is moving toward the western horizon and sets around 10 p.m. in mid-July, followed a couple of ...

Astronomers have called for help to identify a mystery object that may have hit Saturn on Saturday in what could be the first ...

Other citizen science groups contributed as well, including the TESS Follow-up Observing Program Sub Group 1 (TFOP SG1) and ...

Scientists are working to understand the curious phenomena of red sprites, green ghosts and blue jets high above ...