Astronomy
Harriet Tubman Is Famous for Being an Abolitionist and Political Activist, but She Was Also a Naturalist
The Underground Railroad conductor's understanding of botany, wildlife biology, geography and astronomy allowed her to guide herself and others to safety
Solar Storm Knocks 40 SpaceX Satellites Out of Orbit
A solar outburst is increasing atmospheric drag and pulling the satellites back down to Earth
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
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 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
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
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
The Wonder of Avi Loeb
The physicist thinks we might have glimpsed evidence of an alien civilization. Despite controversy, he’s determined to find more
Why the Tibetan Plateau Might Be the Ideal Spot for the Telescope of the Future
A team in China has identified a location that could give the Eastern Hemisphere its first major observatory
Saturn's Seismic Activity Makes Waves in Its Iconic Rings
Scientists uncover new insight into the planet's core based on observations of its rippling rings
New Project Aims to Create Most Detailed 3-D Map of the Universe
An instrument named “DESI” will chart up to 40 million galaxies, ten times more than any previous survey
Retired NASA Engineers Return to Fix Hubble Telescope
The repaired space computer is back online and already beaming spectacular images of distant galaxies back to Earth
Amateur Astronomer Discovers New Moon Orbiting Jupiter
Kai Ly spotted the unnamed satellite using telescope images from 2003
New Black Hole Image Shows Plasma Jets Blasting Into Space
Researchers say the new, detailed image of the black hole at the center of the Centaurus A galaxy could reveal how its jets formed
How to Watch the Perseid Meteor Shower
Known for its 'fireball' meteors, the Perseid shower began on July 14 and will peak in mid-August
Scientists Discover Bevy of Black Holes in Our Own Galaxy
Palomar 5's unusual cluster may explain some of the Milky Way's star streams and other phenomena
Incredibly Dense White Dwarf Star Packs the Mass of the Sun Into the Size of the Moon
Researchers say if the star was any more massive it would likely collapse under its own weight and explode
Astrophysicists Detect a Black Hole Gobbling Up a Neutron Star in Two Separate Events
Researchers spotted both events using sensors to locate ripples in spacetime that traveled 900 million years to reach Earth
If Aliens Exist in These 1,700 Solar Systems, They Can Probably See Earth
Hypothetical alien astronomers orbiting these stars could have seen the sun’s light flicker as Earth passed in front of it
Giant Comet From the Oort Cloud Will Pass by the Sun in 2031
Astronomers used about 40 observations of the object, which is called 2014 UN271, to estimate its size and orbit
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