Grab a bit of asteroid Bennu? Turns out, it’s tougher than expected

The OSIRIS-REx mission, which plans to get an sample of the asteroid and return it to Earth, is facing some unexpected challenges.

Moon and Saturn Friday morning

The March 29 occultation of Saturn by the moon was visible from eastern Brazil, southern Africa, Madagascar, the southern tip of India, and Sri Lanka.

Hubble captures a rare active asteroid

The Space Telescope's sharp imaging provided detail on activity from active asteroid Gault, which is now known to be spinning on its axis so fast that material on its surface at times flies off into space.

Jupiter and 3 moons

Jupiter, with moons Ganymede, Europa and Io.

Watch for Venus at dawn, Mars at nightfall

In late March and early April, the moon is sweeping past the brightest planet, Venus, before sunrise. Plus fainter Mars is near the Pleiades - or Seven Sisters - every evening as night falls.

Fossil barnacles help track ancient whale migrations

One surprise finding of the new research is that the coast of Panama has been a meeting ground for humpback whales for at least 270,000 years and still is today.

Here’s a solar system being born

Astronomers have spied 2 rings of dust around a young star, DM Tau. The image shows what our own solar system might have looked like as its planets were forming, 4.6 billion years ago.

How coyote pups get used to humans

Across North America, coyotes are moving into urban environments. While human residents are having to get used to the new animal neighbors, coyotes are also habituating to people.

How can US adapt to threat of water shortages?

A new study suggests that reductions in water use for agriculture might be the best bet for avoiding future water shortages in the U.S.

NASA proposes mission to Neptune moon Triton

Triton is Neptune's largest moon. It's a bizarre and geologically active world - a possible ocean moon - visited by Voyager 2 in 1989. Now, NASA has proposed a new mission called Trident to sweep past Triton again in 2038.