Planets
What Would Signal Life on Another Planet?
Astronomers have long debated what kind of chemistry might serve as a bona fide alien biosignature
This Exoplanet May Be a Distant Ocean World, James Webb Telescope Finds
The observatory detected evidence of methane and carbon dioxide—and tentatively observed a molecule that, on Earth, is only made by living things
Mud Cracks on Mars Hint at Conditions That Could Have Formed Life Long Ago
Hexagonal ridges on the Red Planet's surface suggest an ancient cycle of wet and dry periods, ideal for creating molecules necessary for cells
This Mirror-Like Exoplanet Is the Most Reflective Ever Discovered
The ultra-hot world is wreathed in metallic clouds that prevent the planet from evaporating and keep its atmosphere intact
See the James Webb Telescope's First Image of Saturn and Its Rings
The new shot also features three of the planet's many moons, including Enceladus, a strong candidate for hosting life
These National Parks Are Hosting Stargazing Festivals in 2023
As more areas grow brighter with light pollution, national parks across the country have become dark-sky havens
Newly Discovered Exoplanet May Be Covered in Volcanoes
Astronomers found an Earth-sized world that could have liquid water on its surface and may be able to support life
James Webb Telescope Reveals Asteroid Belts Around Nearby Young Star
The findings suggest the star Fomalhaut may have orbiting planets hidden among its rings of debris
In a First, Scientists Witness a Dying Star Swallowing a Planet
Astronomers believe the doomed world was a gas giant about the size of Jupiter
James Webb Telescope Captures Detailed Image of Uranus’ Rings
The high-tech observatory also observed two storm clouds on the planet, a polar cap, six moons and distant galaxies
How to Watch Five Planets Align in the Night Sky This Week
Mercury, Venus, Mars, Jupiter and Uranus will appear as if in a parade in the Western sky on Tuesday
James Webb Telescope Spots Raging Dust Storms on an Exoplanet
The far-off world also has signs of water, methane, carbon monoxide and carbon dioxide
Scientists Spot Recent Volcanic Activity on Venus
The findings in 30-year-old radar image data all but confirm that volcanoes on Earth’s hellish sister planet are still active today
Perseverance Rover Completes Depot of Mars Rock Samples
The collection is a failsafe for the Mars Sample Return project, which aims to deliver Martian rocks to Earth
James Webb Telescope Confirms the Existence of Its First Exoplanet
The high-tech observatory is helping to study the rocky, Earth-sized world that's 41 light-years away
See the Chilling Beauty of Winter on Mars
NASA images reveal frost, geysers and intricate frozen patterns on the Red Planet
This Exoplanet Is Doomed to Be Obliterated by a Star
Kepler-1658b is slowly spiraling toward a fiery demise
Listen to the Sound of a Dust Devil Swirling Around on Mars
For the first time, scientists have recorded the noise of a Martian dust storm using a microphone on NASA's Perseverance rover
The Jury-Rigged Experiment that Led to the Discovery of Unknown Worlds
See the Kepler technology demonstrator at the National Air and Space Museum, along with a host of technologies that brought success to space exploration
James Webb Captures a Protostar in a Fiery Hourglass
The very young star is a window into our own solar system's past
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