Outer Space
A Huge Black Diamond, Purportedly From Outer Space, Is Now Up for Sale
The gem known as the 'Enigma' is expected to fetch around $7 million at auction, though experts are skeptical of its cosmic origin
Satellites Can Spot Beached Whales From Space
Very high resolution satellites give scientists a new way to find out when and where a large-bodied whale, such as a humpback or a sperm, is stranded
Space Is Destroying Astronauts' Red Blood Cells
The discovery could complicate long-term space travel, including future Mars missions
A New Generation of Satellites Is Helping Authorities Track Methane Emissions
Efforts to identify leaks of the harmful greenhouse gas are improving with advances in technology
'Intriguing' Carbon Isotopes on Mars Could Be From Cosmic Dust, UV Radiation or Ancient Life
NASA scientists compared the data to chemical signatures of biological processes on Earth and found some similarities to billion-year-old microbes
Ten Dazzling Celestial Events to See in 2022
Stargazers in North America can look forward to meteor showers, lunar eclipses and a stunning multi-planet lineup this year
A Star-Producing, Cosmic Bubble Shrouds Our Solar System
Researchers created a 3-D model of Earth's galactic neighborhood
Outdoor Cats Are Using $500 Starlink Satellite Dishes as Self-Heating Beds
The devices—developed by Elon Musk's SpaceX—have a warming feature to prevent snow buildup from disrupting the signal
China's Mars Orbiter Takes Selfies From Outer Space
The images were snapped using a camera deployed from the spacecraft, which floated away into the vastness of the cosmos
What Did Graffiti Look Like Before Spray Paint and More Questions From Our Readers
You've got questions. We've got experts.
The James Webb Space Telescope Just Cleared Its Most Challenging Hurdle
The tennis court-sized sunshield fully unfurled itself this week, accomplishing the riskiest and most complicated aspect of the telescope's deployment
This Metal-Rich, Potato-Shaped Asteroid Could Be Worth $10 Quintillion
In August, NASA is sending an orbiter to the space object, which may be the partial remains of planet-forming material made of nickel and iron
Boom Heard in Pittsburgh on New Year's Day Was Likely an Exploding Meteor
The energy released during the blast is as powerful as 30 tons of TNT
The James Webb Telescope Successfully Launches Into Space
A rocket carrying the $10 billion dollar invention blasted off Christmas morning and powered up as planned, providing astronomers with a long-awaited gift
What Five Grams of 'Primordial' Stardust From an Asteroid Tell Scientists About How the Early Solar System Formed
Ryugu is a carbonaceous, water-rich space rock with a unique, dark coloration and porous composition
The Ten Most Significant Science Stories of 2021
Thrilling discoveries, hurdles in the fight against Covid and advancements in space exploration defined the past year
The Five Big Ways the James Webb Telescope Will Help Astronomers Understand the Universe
The highly awaited observatory is set to break new ground in many areas of astronomical research
Jupiter's Moon Ganymede Sounds Like Dial-Up Internet
The 50-second audio track was pieced together from data collected by NASA's Juno Spacecraft
Beneath Canyons on Mars, Astronomers Find Potentially 'Water-Rich Area the Size of the Netherlands'
A Martian orbiter located a large reserve of hydrogen in a mountainous area of the Red Planet
A Look Back at Hubble's Interstellar Success
At the launch of the Webb Space Telescope, the legacy of America’s favorite eye in the sky is best remembered with a look at a Smithsonian artifact
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