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13 Glorious Images of the Solstice Strawberry Moon
The moon was lovely last night, wasn't it?
ASTRONOMY
14 Fascinating Facts About Isaac Newton
Some of Sir Isaac Newton's achievements are readily filed under G for genius; others simply reveal his complex and all-too-human personality.
How Scientists Are Preparing for the First-Ever 'All-American' Eclipse
In 2017, the "path of totality" of a solar eclipse will run exclusively—and entirely—across U.S. soil for the first time since the ink dried on the Declaration of Independence.
Look Up Tonight! You Can Spot Saturn's Rings With a Telescope
Its rings will appear just about as wide as is possible when seen from our pale blue dot.
Tonight Mars Will Be as Bright as It's Been in Years
Early Sunday morning, Mars will be as close to Earth as it's been in years, and will be nearly as bright as Jupiter.
Look Up! 'Once in a Blue Moon' Happens for Real on May 21
It's not often that you can tilt your neck a mere 15 degrees and learn something new, so here is your big chance.
Scientists Use Star Maps to Date Sappho’s 'Midnight Poem'
The fragment makes mention of the time of night as well as the position of the Moon and the Pleiades.
The Plan to Send a Submarine to Titan, Saturn's Largest Moon
We may release the (submarine into) Kraken, a liquid hydrocarbon sea on Titan, sometime in the 2040s. How cool is that?
Every Inch of Ceres Is Now Mapped—and Yet Mysteries Remain
“This is a body different than any we’ve examined thus far.”
5 Space Missions Under NASA Consideration
Here are five missions that NASA is presently evaluating. At least one of them will eventually visit other worlds.
Pluto Has Tropics, and Other New Findings by Planetary Scientists
Yesterday at the 47th Lunar and Planetary Science conference in The Woodlands, Texas, members of the New Horizons team announced their latest findings about Pluto and its moons.
It's Fireball Season! Look Up to Spot Meteors Brighter than Venus
Learn about the "beautiful mystery" of fireball season, which peaks in the weeks around the vernal equinox.
Why We Track Asteroids Like the One That Flew by This Week
TX68 appeared to have a four in 1 billion chance of hitting Earth. That may sound like a long shot, but the odds were four times higher than the threshold NASA has set for potentially hazardous objects.
Watch the Mind-Blowing Total Solar Eclipse Tonight, Live
Tune in online! The total solar eclipse will occur on March 8 from 8:38 to 8:42 p.m EST.
Look Up Tonight! Jupiter Is the Biggest and Brightest It Will Be All Year
With even a modest telescope, you might be able to make out Jupiter's bands of brown, tan, and white.
U.S. Navy Returns to Teaching Officers How to Navigate by the Stars
The Navy wants to reduce its dependence on GPS.
Astronomers Discover an Eclipse That Lasts More Than 3 Years
When there's an eclipse, the newly discovered binary star system is shrouded in darkness for years.
Look Up! The Valentine's Day Star Is High in the Sky Tonight
The red supergiant even "pulses" as its atmosphere expands and contracts.
When Gloria Steinem Interviewed Sally Ride In 1983
"Everybody wanted to know about what kind of makeup I was taking up," Sally Ride said about the questions she was asked ahead of her historic flight into space. "They didn’t care about how well-prepared I was to operate the arm or deploy communications sa
Ancient Babylonians Used Geometry to Track the Planets
Calculations etched onto four stone tablets change the timeline of astronomy.
Astronomers Capture Highest-Resolution Space Image Yet
The image is compiled from data collected by an orbiting radio satellite and 15 Earth-bound radio telescopes.