Latest articles by Stefanie Waldek
Northern lights (aurora borealis): what they are and how to see them
Reference The northern lights are one of the most mesmerizing natural wonders you can witness firsthand.
Explore Jupiter's icy ocean moon Europa in NASA virtual tour (photos)
Thanks to images from various NASA spacecraft, we can get an up-close look at the Jupiter ocean moon Europa long before the agency's Europa Clipper probe arrives.
Scientists have dated the moon's oldest, and largest, impact site
The moon has been bombarded by asteroids and comets for more than 4.32 billion years.
Perseverance rover watches a solar eclipse on Mars (photos)
On Sept. 30, NASA's Perseverance rover turned its eyes toward the sky and photographed a solar eclipse from Mars, capturing the tiny moon Phobos as it transited the sun.
How did Mars turn into an uninhabitable desert? Curiosity rover rock samples may have answers
NASA's Curiosity rover has new insights into how Mars might have changed from a potentially habitable, water-rich planet to an absolutely uninhabitable desert.
Curiosity Mars rover's wheels are more battered than ever — but they still work
The latest photo of Curiosity's wheels shows new — but not debilitating — damage.
Van Gogh's 'Starry Night' surprisingly adheres to the laws of physics, scientists find
The artist's work demonstrates an innate understanding of Kolmogorov's theory of turbulence.
NASA scientists solve mystery of curious 'spiders' on Mars
Scientists at NASA's Jet Propulsion Laboratory have recreated spider-like araneiform terrain, a geologic formation found on Mars, in a lab on Earth.
ESA's JUICE spacecraft confirmed Earth is habitable. Here's why
JUICE successfully identified water and the building blocks of life in Earth's atmosphere. In doing so, the probe headed for Jupiter's moons confirmed that its instruments are working properly.
Mars rock samples show signs of water in Jezero Crater — could life have once existed there?
NASA's Perseverance rover didn't find organic matter within the rocks, but scientists will keep looking.
Help scientists find new black holes with this free smartphone app
Developed by the Dutch Black Hole Consortium, the Black Hole Finder app allows the public to help sort through thousands of images to identify potential targets of interest.
'Galaxy Zoo' project needs your help classifying tens of thousands of galaxies
The European Space Agency has launched a new citizen science project with Galaxy Zoo to classify tens of thousands of galaxies imaged by the Euclid space telescope.
1st 'hyperspectral' image of aurora borealis reveals true colors of northern lights
Using a high-resolution imaging system in Sweden, Japanese researchers are getting a view of the aurora like never before.
Was life on Earth sparked by cloud-to-ground lightning strikes?
Cloud-to-ground lightning strikes simulated in a biosphere mimicking conditions on a young Earth led to chemical reactions resulting in "remarkable yields" of the building blocks for life.
This mesmerizing NASA animation shows how carbon dioxide moves through Earth's atmosphere (video)
A high-resolution visualization from NASA's Scientific Visualization Studio shows global carbon dioxide emissions from January to March 2020.
Can the moon help preserve Earth's endangered species?
A lunar biorepository would use the moon's cold temperatures to keep cryopreserved samples frozen.
These 2 US cities are the most vulnerable to solar storms, scientists say
Geomagnetic storm-induced blackouts may be looming.
NASA just beamed a Missy Elliott song to Venus
"The Rain (Supa Dupa Fly)” traveled 158 million miles (254 million kilometers) to our neighbor.
The James Webb Space Telescope is studying an exoplanet's eternal day — and eternal night
A tidally locked gas giant experiences eternal sunshine on one side, and eternal darkness on the other.
Newly discovered cave on the moon could house future lunar astronauts
The lava tube is likely one of many on the lunar surface.
Drone racing is helping train AI to autonomously drive spacecraft
ESA and the Delft University of Technology are training neural-network AI systems to race drones in preparation for complicated spacecraft maneuvers.
Europe's Mars sample return orbiter moving ahead despite NASA budget uncertainty
The European Space Agency's Earth Return Orbiter has passed its design review, which validates its technical details and moves the project onto manufacturing and testing.
The early solar system was donut-shaped, meteorite study suggests
Researchers studying iron meteorites suggest that the early solar system took the shape of a donut, not a dartboard as previously thought.
