Meghan Bartels

NASA's Mars helicopter Ingenuity made its 12th Red Planet flight on Monday (Aug. 16), during which the little chopper served as eyes in the sky for its larger companion, the Perseverance rover.

Astronomers think they have established a new way to calculate the size of supermassive black holes: by studying the feeding patterns of these invisible giants.

The stunning Perseid meteor shower will peak tonight (Aug. 11) in what could well be the most brilliant "shooting star" display of the year.

If the possibility of an asteroid called Bennu slamming into Earth a lifetime from now was keeping you up at night, NASA scientists think you can rest a little easier.

It's aurora season on the International Space Station and astronauts living and working in orbit are sharing some of their finest views of the stunning phenomenon with those of us on the ground.

Nora AlMatrooshi's first spaceflight equipment was made of paper and cardboard boxes, but she'll soon spend two years at NASA's Johnson Space Center in Texas training to use the real thing in orbit.

NASA's sun-grazing spacecraft is making its ninth daring dive past our neighborhood star in a continuing quest to puzzle out secrets of how the sun works.

NASA's Perseverance rover has notched another milestone on Mars, drilling its first hole for sampling Red Planet rock.

NASA's Ingenuity helicopter on Mars is still going strong, notching its 11th Red Planet flight on Thursday (Aug. 5).

Boeing's Starliner capsule will trudge back inside for more checks after skipping a Tuesday launch attempt when indications suggested a problem with a valve in the vehicle's propulsion system.

When a rocky planet half the size of Venus, an ocean world, and perhaps a planet that could host liquid water on its surface all show up orbiting the same star, astronomers take notice.

Weather concerns continue as NASA and Boeing look to launch the Starliner capsule on a vital uncrewed test flight to the International Space Station on Tuesday (Aug. 3).

Yesterday's unexpected tilting of the International Space Station was caused by a software glitch, according to Russian space agency Roscosmos.

Nauka's bumpy ride to the International Space Station didn't get any smoother after the new Russian science module docked on Thursday (July 29).

It's hard for an exoplanet to keep itself together in the neighborhood of two parent stars.

On Monday (July 26), astronauts said goodbye to a cornerstone of the International Space Station and captured stunning images of the compartment burning up in Earth's atmosphere.

Even as NASA's Mars helicopter Ingenuity has captured the imagination with flight after flight on the Red Planet, the chopper's rover companion has been hard at work doing science.

When Amazon founder Jeff Bezos offered her a seat on the first crewed flight of his space tourism enterprise Blue Origin, it was an invitation aviator Wally Funk had waited six decades to receive.

It's summer in the Northern Hemisphere — and that means it's fire season. Satellites are pitching in to monitor dozens of blazes nationwide.

For the past month, our most beloved eye on the universe has been closed, blinded by a computer glitch that NASA experts are still working to solve.

This month, two billionaires will take to the skies in a pair of historic suborbital spaceflights that mark a dramatic change in what it takes to become an astronaut.

The venerable Hubble Space Telescope is facing its most serious malfunction in more than a decade, and while NASA is eager to restore the iconic observatory, the agency doesn't want to rush.

NASA's new administrator, Bill Nelson, is a familiar face in the space community, but the agency he has led for nearly two months now has changed a great deal in recent years.

NASA's experimental Mars helicopter, Ingenuity, has now flown nine times on the Red Planet, letting mission engineers test a host of capabilities that could pave the way for more Martian choppers.