41–60 of 868 results
Rover tracks on Mars

Spacecraft and Space Missions

Three Missions Head for Mars

The summer of 2020 will see three spacecraft launch toward the Red Planet, each one with distinct objectives.

Magma ocean and crust

Solar System

Long-lived Lunar Magma Ocean Points to a Younger Moon

Most lunar scientists today think that the Moon formed after a Mars-size body hit the still-forming Earth, launching enough material into orbit to form our satellite. But there is still lively debate about the age of the Moon, and its evolution after it formed. A Mars-size body smashed into Earth…

The Sun's full disk

Solar System

European Solar Orbiter Takes Closest-ever Images of the Sun

The first images to be released from the European Space Agency’s Sun-imaging spacecraft show intriguing “campfires” that could help explain a solar mystery.

Sharing Comet NEOWISE

Celestial Objects to Observe

Comet NEOWISE Dazzles at Dusk

Comet NEOWISE has captivated skywatchers with its stunning tail. Now that it's moved into the evening sky and climbing higher each night even more people will get a chance to see it.

Clyde's Spot

Astronomy in Space with David Dickinson

Amateur Astronomer Discovers "Clyde's Spot" on Jupiter

The discovery of a new feature on Jupiter gave NASA’s Juno mission an opportunity to image an emerging storm up close.

Venus's June 3rd transit across solar corona

Astronomy and Society

Venus Passes in Front of the Solar Corona (VIDEO)

Two astronomers captured the silhouette of Venus as it passed in front of the solar corona.

Solar flare

Solar System

New Evidence for Nanoflares?

Astronomers have spotted weak bursts of low-frequency radio emission coming from all over the Sun.

Asteroid illustration

Solar System

Exploring Links Between Nearby Asteroids

In preparation for the launch of Destiny+, a new study reveals that two near-Earth asteroids may share the same parent.

Chaotic, Jupiter-like orbit

Solar System

Jupiter Has Trapped a Comet in a Bizarre Orbit

Jupiter has captured an icy comet from the outer solar system. The comet's bizarre orbit will bring it back for another super-close pass in 2063.

composite image of Ryugu's rubbly surface

Spacecraft and Space Missions

Ryugu May Have Skirted Close to the Sun

Observations by the Japanese Hayabusa 2 spacecraft show subtle color differences, indicating something has reddened the asteroid’s surface.

Mars: dry vs. wet

Solar System

Weak Martian Magnetic Field May Have Let Air Out

Mars's magnetic field weakened and disappeared billions of years ago. Now, scientists have found that the weak field might have been worse than none at all.

The Sun vs. Sun-like Stars

Stellar Science

How Lazy Is the Sun?

Astronomers studying hundreds of Sun-like stars were surprised to find that most of them are more active than the Sun. Why is the Sun different?

Neptune, raw and processed

Pro-Am Collaboration

Explore Solar System Worlds with NASA’s Image Archives

Have some time on your hands? Explore NASA's rich image archive and discover the solar system as you've never seen it before.

USGS Geologic Map of the Moon

Solar System

New, Incredibly Detailed Geologic Map of the Moon

The U.S. Geological Survey (USGS) has released a new 1:5,000,000 map of the Moon that provides a wealth of information about its surface.

Pluto atmosphere

Solar System

Did Pluto Harbor an Ancient Subsurface Ocean?

New studies shed light on the early years of Pluto's formation, and whether it ever hosted a subsurface ocean.

Comet 2I/Borisov

Solar System

The Origins of Interstellar Objects

The first two interstellar visitors to the solar system are finally shedding light on their places of origin.

Mini-moon discovered

Solar System

Is Earth's Minimoon Still Here?

Reports of the loss of Earth's minimoon may have been somewhat exaggerated — new research suggests the moonlet will leave Earth orbit in early may.

Comet Borisov

Solar System

Is the Interstellar Comet 2I/Borisov Breaking Up?

New observations of the interstellar comet — which traveled unaltered for eons before arriving in the solar system — have revealed it's fragmenting

Chaotic terrain on Mercury

Solar System

Why Have Parts of Mercury's Landscape "Deflated"?

A type of landscape on Mercury known as “chaotic terrain” might have released materials stored underground for eons.

Perseverance

Astronomy in Space with David Dickinson

NASA Announces Next Mars Rover Name: Perseverance

NASA announced today that its next Mars rover mission now has its official name: Perseverance.

Advertisement
Advertisement
Advertisement
Advertisement