New evidence suggests the culprit for the cosmic assault presented by cosmic rays may be the shock waves from exploding stars.
A new model exploring the dwarf planet Ceres suggests radioactivity deep in the small world may have created criss-crossed geology at its surface.
A massive sinkhole measuring more than 100 feet across has opened on mining land in Chile, according to the government's geology mining service.
NASA's Aqua satellite photographed plumes of dust being drawn from Africa's Sahara Desert and sent across the Atlantic towards the United States and the Caribbean.
New research highlights a troubling problem with the concept of a cyclical universe that experiences infinite expansion and contraction, known as 'bouncing universe' models.
Scientists detected the most powerful gigantic jet lightning bolt — a lightning bolt that shoots up out of a cloud into the ionosphere — ever.
Uninspired by the dull scientific numbering of exoplanets? Well, here's your chance to name an alien world and its host star by connecting them to human cultures.
Astronomers have long considered Betelgeuse a candidate for a long-overdue supernova within our galaxy. Yet the red supergiant appears to be recovering following a mysterious 2019 event.
A meteorite on Earth holds new evidence that asteroids do indeed mysteriously spit out pebbles, a new study finds.
Astronomers have found at least one dusty galaxy masquerading as a high-redshift galaxy, complicating the search for the first galaxies.
NASA's InSight Mars lander has discovered little evidence of underground water at its site, but scientists are urging more research before drawing firm conclusions.
A meteor that erupted in a fireball at the end of July has been traced back to the debris of a comet that formed 4.6 billion years ago.
The discovery of noble gases from Earth's mantle in lunar meteorites may confirm that the moon formed when our planet suffered a giant impact.
The United States Postal Service is giving the public a month to get ready for the release of its James Webb Space Telescope stamp. The Forever stamp is available for pre-order from the USPS website.
A "potentially hazardous" asteroid the size of a blue whale is set to zip past Earth on Friday (Aug. 12).
Perseverance Mars rover is gathering up samples of Martian rock and soil that could help tease out an answer concerning past life on Mars.
The Event Horizon Telescope has imaged the powerful near-light-speed jet of a blazar, and found it to be twisted.
On Sunday night (August 14th), Saturn arrives at opposition, when it lies on the opposite side of the sky from the sun.
Scientists using a powerful telescope array spotted gas and a possible young exoplanet in a cloud of gas and dust surrounding a distant star.