Strange Spheres Washed Ashore on an Australian Beach. Authorities Say They’re Probably ‘Space Balls’—Empty Fuel Vessels From a Rocket

The shiny objects—each roughly twice the size of a basketball—began to appear on July 3. Authorities initially worried that they were hazardous but have since determined that they’re likely safe bits of space junk

Margherita Bassi | Daily Correspondent

July 7, 2026 5:15 p.m.

Share

Copy linkEmailSMSFacebookXRedditLinkedInBlueskyPrint

Add as preferred source

Six large, shiny spheres washed up on a beach in northeastern Australia late last week, initially prompting alarm from authorities. An investigation has revealed, however, that the objects are probably debris from a human-made rocket and are safe to be around, according to a social media statement posted on the morning of July 6 local time by the Australian Space Agency (ASA).

The strange balls began to appear on July 3 on the shore of Forrest Beach in Queensland, and the roughly 1,300 residents of the tiny town were asked to evacuate, report Chloe Chomicki and James Tugwell for the Australian Broadcasting Corporation.

On July 5, the Queensland Fire Department wrote on social media about the “discovery of several potentially hazardous objects.” Authorities established an exclusion zone, and over the weekend, members of the department collected “a number of the items,” per the statement.

The fire department’s post features pictures of shiny, round, metallic-looking objects, each with two small protrusions at opposite ends. The odd spheres quickly led to humorous chatter among the residents of the little beach town.

“Not much happens here. It’s a pretty quiet, sleepy little place,” says Lisa Scobie, who owns a restaurant near where some of the objects were found, to the New York Times’ Hari Raj. “We’ve had a bit of a laugh about things, there’s been lots of jokes about whether it’s been aliens.”

The jokes especially picked up once the news arrived that the spheres, roughly twice the size of a basketball, were safe, reports the outlet.

“The recovered objects appear to be pressure vessels [that held fuel] from a space launch vehicle. The agency has identified the likely source,” the ASA writes in the statement. “The objects’ location and characteristics are consistent with debris from a foreign rocket body that recently re-entered the atmosphere from orbit. The agency is continuing to engage with international authorities to formally confirm the launch vehicle and launching state.”

In other words, the strange spheres are likely to be space debris, or space junk—human-made stuff in space that has stopped serving its original purpose, science journalist Dan Falk told Ari Daniel on an episode of Smithsonian magazine’s “There’s More to That” podcast last year. Some examples include fragments shed by rockets as they jet from the Earth’s surface, broken bits of satellites and even entire decommissioned spacecraft, Falk said.

The more objects that humans shoot into space, the more space debris that ends up on Earth. Since 2019, the number of working satellites circling our planet has increased from 1,000 to more than 11,000, Jonathan McDowell, an astrophysicist who retired from the Center for Astrophysics, Harvard & Smithsonian, told Falk for Smithsonian magazine last year. As of March 2026, there were more than 14,500 active satellites in orbit, with Elon Musk’s internet company Starlink, part of SpaceX, accounting for more than 9,900.

So why aren’t we seeing space junk raining down on Earth all the time? Much of it burns up in the atmosphere. The International Space Station, for example, will meet its end in this fashion. When the time comes, the station will deorbit and re-enter the atmosphere, where experts anticipate that most of its hardware will burn up or vaporize, according to NASA, and the rest will land in a part of the ocean uninhabited by humans.

But as Forrest Beach locals have recently witnessed, some of the surviving material can be carried back to land. The pressure vessels that recently washed ashore are “a classic example of what is known as ‘space balls,’” Alice Gorman, a space archaeologist at Flinders University in Australia, tells the ABC.

“Many rockets and spacecraft have liquid fuel systems that involve fuels under high pressure that are in these pressure vessels made of robust material,” she adds. “These parts of the fuel system often survive because their melting points are higher than the temperature coming back through the atmosphere.” After being emptied of fuel, the space balls may have become buoyant, allowing ocean waves to bring them to land.

As time goes on, space junk will likely continue to become a more familiar sight around the world. About 560,000 satellites are expected to orbit Earth by 2040, based on planned launches by Starlink and other companies.

“With 130 million space debris objects orbiting the Earth, it’s never a complete surprise when we hear reports of objects burning up in the atmosphere or even strange pieces of debris washing up on our shores,” Sara Webb, an astrophysicist at Swinburne University of Technology in Australia, tells Iain Todd at BBC Sky at Night Magazine.

“In the last five years,” she adds, “we’ve seen an increase in these events as the increase in launches and objects in space continues to grow.”

Margherita Bassi | Read More

Margherita Bassi is a freelance journalist and trilingual storyteller. Her work has appeared in publications including BBC Travel, Discover magazine, Live Science, Atlas Obscura and Hidden Compass.