Corals on Mars? NASA rover finds more remarkably weird rocks

Are these unusual formations fossilized corals on Mars? NASA's Curiosity rover found them recently. See more images here.

Titan is casting its shadow on planet Saturn

Saturn's ring are currently almost edge-on, so you can see shadow transits of its largest moon Titan on its surface. See some images here.

Rare Black Moon coming August 22-23! Why so special?

We'll have a Black Moon on August 22-23, 2025. A Black Moon is a special kind of new moon. Learn more about Black Moons here.

‘Eye of Sauron’ blazar is source of a powerful cosmic jet

Astronomers have captured an image of the origin of a cosmic jet. The image resembles the Eye of Sauron from the Lord of the Rings.

Heat burst hits Granada, Spain, on Sunday, causing chaos

A heat burst is when a spike in temperatures and strong winds hit a localized area. Read about the heat burst in Granada, Spain, on Sunday.

Do whales and dolphins play together? Images and video here

Scientists studied interactions between whales and dolphins. In most cases, whales do not avoid dolphins and sometimes even socialize with them.

Rare massive white dwarf was born when 2 stars collided

A rare massive white dwarf star 128 light-years away formed from the collision and merger of 2 stars, NASA's Hubble Space Telescope has found.

Hurricane Erin now Cat 5 after extremely rapid intensification

Hurricane Erin became the first hurricane of the season Friday. It then experienced rapid intensification overnight, and it's now a Category 5 storm.

New type of supernova, as a black hole triggers a star explosion

Astronomers believe they've found a new type of supernova. They say it exploded as a star tried to envelop its black hole companion.

Giant free-floating planets might have planets of their own

Giant free-floating planets drift in space with no stars. New observations from the Webb telescope suggest they could have their own planets orbiting them.