Scientists find evidence for several Earth axis shifts during the age of dinosaurs
A new study finds evidence that Earth may have undergone several episodes of rapid true polar wander during…
Scientists Thought Mars’s North Polar Ice Was 25% Dust. They Were Way Off
When NASA’s Mars Phoenix mission successfully sampled ice from the Martian arctic regions, it made astrobiological history. This…
Gravitational tug-of-war inside Earth is changing the length of our days
Interactions between Earth’s solid inner core, its molten outer core and its rocky mantle control how fast the…
Something Deep Inside Earth Keeps Messing With the Length of Our Days
For practical purposes, we say that one day—the time it takes for Earth to rotate once on its…
Astronomers Just Found the Youngest Planet Ever Seen. It Shouldn’t Be So Huge
For a decade, astronomers have debated whether a planet is taking shape in the dusty disk surrounding Elias…
NASA’s Nancy Grace Roman Space Telescope Has a Hidden Technological Leap
Two mirrors, each small enough to fit in the palm of your hand, are set to change how…
Lunar legacy: U of A researchers building moon-bound camera
Even the smallest of shadows on the moon’s surface can harbor water ice and other chemical compounds, known…
Scientists Recreate the Melting ‘Diamond Rain’ of Neptune and Uranus. It May Help Fusion Power
Under their thin upper atmospheres, our solar system neighbors Neptune and Uranus are literally raining diamonds in their…
Scientists discover remnants of Theia, the planet that collided with Earth 4.5 billion years ago
Two continent-sized structures deep inside Earth may contain remnants of Theia, the ancient planet thought to have collided…
Pluto’s Atmosphere May Finally Be Starting to Collapse
Pluto’s orbit around the Sun is a long, elliptical journey that lasts 248 Earth years. Right now, Pluto…
Rocks From the Moon’s Far Side Are Rewriting Lunar History
Moon rocks returned from a rarely sampled region are offering a new view of the Solar System’s turbulent…
Giant Alien World Found Hiding in Plain Sight for 11 Years
Beta Pictoris is located about 60 light-years away toward the constellation of Pictor (the Painter’s Easel) and is…