Scientists Discover 3-Foot-Tall Relative of the Tyrannosaurus Rex
A new relative of the Tyrannosaurus rex – much smaller than the huge, ferocious dinosaur made famous in countless books and films, including, yes, “Jurassic…
Blue Supergiant Stars Shimmer Because of Waves on Their Surface
Blue supergiants are rock ‘n’ roll: they live fast and die young. This makes them rare and difficult to study. Before space telescopes were invented,…
“Journey through an Exploded Star” 3D Interactive Experience
The Smithsonian today made available a new online interactive that allows users to explore a three-dimensional (3D) visualization of the remnants of a supernova, or…
Many More Amphibian Species at Risk of Extinction
Frogs already knew it wasn’t easy being green, but the going just got a lot tougher for the 1,012 additional species of amphibians who have…
NASA’s Dart Mission to Demonstrate Planetary Defense Technique
The Double Asteroid Redirection Test (DART) – NASA’s first mission to demonstrate a planetary defense technique – will get one chance to hit its target,…
Hubble Image of the Week – Distant and Ancient
Dotted across the sky in the constellation of Pictor (The Painter’s Easel) is the galaxy cluster highlighted here by the NASA/ESA Hubble Space Telescope: SPT-CL…
Artificial Intelligence Helps Determine What Visual Neurons Like To See
Why do our eyes tend to be drawn more to some shapes, colors, and silhouettes than others? For more than half a century, researchers have…
Hubble Telescope Views Stunning Spiral Galaxy NGC 2903
Few of the universe’s residents are as iconic as the spiral galaxy. These limelight-hogging celestial objects combine whirling, pinwheeling arms with scatterings of sparkling stars,…
New Hubble Telescope View of the Evolving Universe
Astronomers have put together the largest and most comprehensive “history book” of galaxies into one single image, using 16 years’ worth of observations from NASA’s…
Researchers Identify Key Molecule That Guides Sperm
Sperm start their sprint to the ovum when they detect changes in the environment through a series of calcium channels arranged like racing stripes on…
Chandra Reveals Feedback from Supermassive Black Holes
X-ray observations have found copious amounts of very hot gas in galaxy clusters, and in the central regions more than was expected. While supernovae and…
Space Rock Hits the Moon at 61,000 Kilometers an Hour
Observers watching January’s total eclipse of the Moon saw a rare event, a short-lived flash as a meteorite hit the lunar surface. Spanish astronomers now…
Stardust Shines New Light on the Formation of the Solar System
The study of a tiny grain of stardust — older than our solar system — is shining new light on how planetary systems are formed….
Evidence of How a Dwarf Galaxy Contributes to Growth of the Milky Way
Small stellar systems like dwarf galaxies are suggested to be the main building blocks of our Galaxy. However, it is unclear how many and what…
New Model Reveals How Earth’s Moon Formed
For more than a century, scientists have squabbled over how the Earth’s moon formed. But researchers at Yale and in Japan say they may have…
Final Traverse Map for NASA’s Opportunity Rover
This final traverse map for NASA’s Opportunity rover shows where the rover was located within Perseverance Valley on June 10, 2018, the last date it…
Important Threshold Crossed in Mystery of the Universe’s Expansion Rate
Astronomers using NASA’s Hubble Space Telescope say they have crossed an important threshold in revealing a discrepancy between the two key techniques for measuring the…
95 Million-Year-Old Species Has Scientists Rethinking The Definition Of A Crab
The crab family just got a bunch of new cousins, including a 95-million-year-old species that will force scientists to rethink the definition of a crab…