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%.

NASA instruments and aircraft are helping identify potential sources of critical minerals across vast swaths of California, ...

An unknown object slammed into Saturn, possibly marking the first time a collision with the planet has been witnessed in real ...

A bright flash on Saturn was captured by NASA's Mario Rana on July 5, 2025. This marks the first time we've ever seen an ...

A giant gas planet comparable in size to Saturn exists around a small red dwarf star. The discovery is beyond the scope of conventional astronomy theory, and is making experts reconsider conventional ...

Far beyond the warmth of our Sun, hidden beneath a dense orange haze, Saturn’s moon Titan holds secrets that defy imagination ...

Astronomers investigate a potential impact on Saturn after a bright flash was caught on camera. NASA image may show first ...

Astronomers are examining a possible first-ever recorded impact on Saturn after a bright flash was captured in a photo taken by NASA collaborator Mario Rana on July 5. The observation, made during a ...

The pH scale is a measure of how acidic or alkaline something is, 1 being highly acidic, 14 being highly alkaline, and 7 ...

Astronomers are calling for images of Saturn captured over the weekend that may help document a rare impact event with a ...

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