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NASA's Mars Opportunity rover in March 2014.

‘This is a hard day:’ NASA’s Opportunity rover is dead, ending the longest-running Mars mission in history

The Opportunity rover hasn't returned NASA's calls. Its lasting silence means the agency's Mars Exploration Rovers program has come to an overdue end.
New Horizons took this detailed image of a space object called 2014 MU69 (or "Ultima Thule") at 12:26 a.m. EST on January 1, 2019.

Scientists just released the best photo yet of the most distant object ever visited by humanity

NASA's New Horizons probe flew past the space rock 2014 MU69, or Ultima Thule, on January 1 — but new photos are still downloading from deep space.
NASA plans to return to the moon with American companies.

Watch the moon get pounded by 1 billion years’ worth of big asteroids in a 1-minute animation

The moon has taken a beating since it formed 4.5 billion years ago. A new study shows the past 290 million years have been especially brutal.

NASA is about to reveal the most distant object ever visited by humanity. Here’s how to see New Horizons’ close-up pictures for the first ...

NASA TV will host live YouTube video showing the New Horizons probe's first photos of a distant Kuiper Belt Object called 2014 MU69, or Ultima Thule.
An illustration of Kuiper Belt Objects (dots) with New Horizons' flight path (yellow), Pluto, and Ultima Thule/2014 MU69.

NASA just pulled off humanity’s farthest-ever visit to a space object — the New Horizons probe successfully flew by Ultima Thule

Ultima Thule, which is 4 billion miles from Earth — and 1 billion miles beyond Pluto — is now the most distant object humanity has ever visited.
An illustration of NASA's New Horizons probe visiting 2014 MU69, a Kuiper Belt object that exists about 1 billion miles beyond Pluto.

NASA is about to explore Ultima Thule — the farthest object humanity has ever tried to visit. Here’s what to expect from the ‘mind-b...

NASA's New Horizons probe, which explored Pluto, will fly past Ultima Thule on January 1 and take hundreds of photographs of the mysterious object.
An illustration of NASA's Mars InSight lander.

NASA can hear the ‘haunting’ sound of dust devils tearing across Mars with its new $830 million lander

Instruments on NASA's InSight lander recently heard the sounds of blowing winds and felt tornado-like dust devils tearing across the Martian surface.
A wide-angle photo of the red planet taken from about 4,700 miles away by NASA's experimental Mars Cube One satellites.

NASA’s new Mars mission just landed — and it could reveal why Earth is habitable but the red planet is not

While online shoppers celebrated Cyber Monday deals, a group of NASA scientists cheered the successful landing of the $830 million InSight Mars probe.
An illustration of NASA's InSight probe attempting to land on the surface of Mars

NASA’s InSight probe must survive ‘7 minutes of terror’ to land on Mars. If it does, here are some incredible discoveries the robot ...

NASA's InSight Mars mission will attempt unprecedented science on the red planet, including probing Mars' temperature and listening for Mars quakes.
Mars is one of the most-visited planets in the solar system.

NASA’s newest Mars mission lands on Monday — here are 13 incredible facts you should know about the red planet

NASA is about to land InSight: a new, $830-million robotic Mars lander. Here are 13 of the most surprising facts about the red planet.