Something amazing every day.
Updated: 7 hours 24 min ago
A critical feature of many multicellular lifeforms on Earth are hard, biological structures, such as animal bones and snail shells that are made from minerals.
ESA's new time-lapse video shows that close-by stars have the potential to cause disturbances to the solar system as they travel through our galaxy in the next hundreds of thousands of years.
The Cassini team is proud of the little spacecraft that went far beyond expectations, sad to lose their constant view of Saturn and family of researchers, eager to return to that planet and its mesmerizing moons — and ready for some champagne.
Today (Sept. 15), NASA's Cassini spacecraft will dive into Saturn's atmosphere and disintegrate. You can watch the action live right here on Space.com, starting at 4:00 a.m. PDT (7 a.m. EDT).
The Cassini mission to Saturn has sent home a wealth of beautiful images. NASA has compiled 100 of the most spectacular into a free e-book, downloadable from its website.
Earth is the fifth largest planet in the solar system and the densest.
The huge, blistering-hot alien world WASP-12b reflects virtually none of the light that hits the planet, a new study reports.
NASA's Cassini mission came to an end on Sept. 15, 2017, when the spacecraft intentionally plunged into Saturn's atmosphere. Here are the photos from Cassini's grand finale.
Read about the history and future of Earth’s sun as well as fun facts about the sun’s age, size, temperature, and phenomena like solar flares.
NASA's Cassini spacecraft broke up in Saturn's atmosphere this morning, bringing an end to its historic 13-year mission at the ringed planet that was marked by incredible discoveries.
The remarkable Cassini mission is coming to a bittersweet end, and here's one great way to grasp its importance: look at its numerical figures.
Farewell, Cassini, and thank you.
NASA's Kennedy Space Center will finally reopen tomorrow (Sept. 16), just over one week after it closed to prepare for Hurricane Irma.
The last photos NASA's Cassini spacecraft ever took were of its own grave.
The final photos ever taken by NASA's Cassini Saturn orbiter have begun coming down to Earth, and you can see them all.
In a video called "How Not to Land an Orbital Rocket," Elon Musk and SpaceX deliver a highlight reel of failures in first-stage orbital landings and test flights.
The giant asteroid Vesta may possess ice buried under its surface, a new study finds.
This Friday, Sept. 15, 2017, the long and successful Cassini-Huygens mission to Saturn and its moons will come to an end when the spacecraft plunges into Saturn's cloud tops.
A new video lays out the basics of what the Air Force's robotic X-37B space plane is doing on its latest mystery mission, which lifted off last week.
NASA's Cassini mission will have a hectic final day before it burns up in Saturn's atmosphere on Friday morning (Sept. 15).