Mars spacecraft fall silent as red planet goes behind sun

Mars passed behind the sun from Earth yesterday, November 18, 2023. Between now and early December, data exchange between Earth and Mars spacecraft is limited.

The universe is expanding faster than theory predicts

The universe is expanding faster than theory predicts. Scientists are trying to come up with new models to explain what the standard model of cosmology can't.

Are 2 huge blobs inside Earth due to an ancient impact?

A new study from an international team of researchers says that 2 huge blobs inside Earth came from the collision with the planet Theia billions of years ago.

Jupiter’s moon Ganymede is coated in salts and organics

NASA's Juno spacecraft has found salts and organics on Jupiter's largest moon, Ganymede. They suggest that watery brines came up to the surface from deep below.

Rover spies rock features on Mars with odd circular shapes

NASA's Perseverance rover recently found odd circular rock features on Mars, similar to ones made by microbes on Earth in lakes. Evidence of life or geology?

1st science images from Euclid! Dr. Becky explains why we love them

See the first images from Euclid, a dazzling assortment of galaxies, clusters and nebulae that will help us understand dark matter and dark energy.

Lucy spacecraft update: And then there were 3!

The Lucy spacecraft has revealed yet another surprise! The moonlet orbiting the larger Dinkinesh is actually two objects, what scientists call a contact binary.

Record-breaking black hole found in the early universe

NASA has discovered a supermassive black hole that is at an early stage of growth in the early universe. Its mass is about the same as its host galaxy's.

Best places to find ice on Mars revealed in new NASA map

NASA has released a new map of ice on Mars as part of the Subsurface Water Ice Mapping project. It shows all the known and suspected areas of underground ice.

Astronomers spy new auroras for Uranus

For the 1st time, astronomers have detected infrared auroras for Uranus, the 7th planet. They say it'll help them learn about Earth's auroras.