NASA experts explain why a passing asteroid isn't cause for concern, while revealing how often Earth encounters space rocks and preview what's coming in 2029.

But 2025 OW isn't the only asteroid approaching us in the coming days. NASA is also tracking another airplane-sized space rock known as 2025 OX, which is estimated to be about 110 feet across, and will fly past the Earth on July 26 at a distance of 2,810,000 miles.

Rare earth elements sustain the Information Age, and securing a supply of these metals has become a matter of national and economic security. They're ubiquitous in our smart technologies, high-performance materials and industrial catalysts.

Travel Journalist Qasa Alom visits Lake Bacalar in Mexico, famous for its brilliant seven shades of blue water. But that's not the only thing it's known for. The lake is home to Stromatolites or living fossils that may look like any old rock,

Tiny rare-earth magnets are used for building phones, electric cars, and submarines. Nearly all rare earths are mined in China, but one U.S. company is trying to change that. WSJ’s Jon Emont spoke wit

Miguel Claro took one last look at the comet as it bid farewell to Earth for the next 80,000 years.

This 2023 astronaut photo shows three glaciers merging into a single massive ice mass in the Karakoram mountains. The stripy glaciers have gained ice in recent decades, despite the effects of human-caused climate change.

Another intergral part of the Alien franchise is that, yes, the aliens are brutal killers. But the humans who are trying to capture them are often worse. That’s why Alien: Earth will feature an equally important story centered on a technological race, personified by those hybrid characters.