NASA wants to look for water – and perhaps life – on Neptune's moon Triton

Triton
Image credit: NASA (Image credit: NASA)

NASA has proposed a new mission to Triton, Neptune's largest moon, to find out whether it might harbor an ocean – and perhaps also life.

The plan, put forward by the space agency's Jet Propulsion Laboratory, is to send a spacecraft called Trident, equipped with state of the art imaging equipment to capture new pictures of the icy satellite.

“The time is now to do it at a low cost,” said Louise Prockter, director of the Lunar and Planetary Institute in Houston and the principal investigator of the proposed mission. “And we will investigate whether it is a habitable world, which is of huge importance.”

Why is Triton important?

Data returned by the Voyager 2 spacecraft in 1989 suggested the presence of water plumes spewing from the moon's interior, suggesting that it might be geologically active and capable of supporting life, but NASA's team pointed out that any new mission would need to begin quickly.

“In order to view the plumes that Voyager saw in 1989, we have to encounter Triton before 2040,” said Dr Karl Mitchell, project scientist for the proposed mission.

As The New York Times reports, if Trident arrives too late, it will find Triton plunged into darkness – and the position of the planets and moons means it won't see sunlight again for another 80 years.

Divider

Space Week

Welcome to TechRadar's Space Week – a celebration of space exploration, throughout our solar system and beyond. Visit our Space Week hub to stay up to date with all the latest news and features.

Cat Ellis
Homes Editor

Cat is TechRadar's Homes Editor specializing in kitchen appliances and smart home technology. She's been a tech journalist for 15 years, and is here to help you choose the right devices for your home and do more with them. When not working she's a keen home baker, and makes a pretty mean macaron.

Latest in Tech
Ray-Ban smart glasses with the Cpperni logo, an LED array, and a MacBook Air with M4 next to ecah other.
ICYMI: the week's 7 biggest tech stories from Twitter's massive outage to iRobot's impressive new Roombas
A triptych image featuring the Sennheiser HD 505, Apple iPad Air 11-inch (2025), and Apple MacBook Air 15-inch (M4).
5 unmissable tech reviews of the week: why the MacBook Air (M4) should be your next laptop and the best sounding OLED TV ever
Apple iPhone 16e
Which affordable phone wins the mid-range race: the iPhone 16e, Nothing 3a, or Samsung Galaxy A56? Our latest podcast tells all
The Apple MacBook Air next to the Dyson Supersonic R and new AMD GPU
ICYMI: the week's 7 biggest tech stories from the best tech at MWC to Apple's new iPads and MacBooks
A triptych image featuring the Bose Solo Soundbar 2, Nothing Phone 3a Pro and the Panasonic Lumix S1R II.
5 trailblazing tech reviews of the week: Nothing's stylish, affordable flagship and why you should buy AMD's new graphics card over Nvidia's
The best tech of MWC 2025 examples, including the Nothing Phone 3a Pro, the Nubia Flip 2, and the Lenovo Solar PC
Best of MWC 2025: the 10 top tech launches we tried on the show floor
Latest in News
A super close up image of the Google Gemini app in the Play Store
It's official: Google Assistant will be retired for phones this year, with Gemini taking over
Quordle on a smartphone held in a hand
Quordle hints and answers for Sunday, March 16 (game #1147)
NYT Strands homescreen on a mobile phone screen, on a light blue background
NYT Strands hints and answers for Sunday, March 16 (game #378)
NYT Connections homescreen on a phone, on a purple background
NYT Connections hints and answers for Sunday, March 16 (game #644)
Three iPhone 16 handsets on show
Apple could launch an iPhone 17 Ultra this year – but we've heard these rumors before
Super Mario Odyssey
ChatGPT is the ultimate gaming tool - here's 4 ways you can use AI to help with your next playthrough