Fresh simulations show there is a chance Uranus and Neptune might actually be rock-rich worlds wrapped in thinner icy layers.

Looking for a sky event this week? Check out our full Sky This Week column. December 12: Comet Schaumasse visits some ...

Amazing views of Jupiter over the years via the Hubble Space Telescope. The moons of Io, Ganymede and hazy Uranus can be ...

On Dec. 13, 2003, Saddam Hussein, the deposed Iraqi president, was captured by U.S. troops in a small underground hideout ...

Conversations could open doors we didn’t expect. Early missteps from fiery Mars challenging unpredictable Uranus may test ...

A NASA spacecraft is making a close approach to the sun, repeating its record-breaking distance of 3.8 million miles from the ...

On December 10, 2025, the cosmic energies shift significantly as Neptune stations direct after five months of retrograde motion. This transition invites a wave of optimism, allowing individuals to ...

You’ve got this feeling that something wonderful is going to happen, and indeed it is, but don’t get carried away and think ...

“If you have any questions along the way, feel free to ask me,” Smittick told the homeschoolers. “Sorry, adults, but kids ask ...

Early on March 3, a total lunar eclipse turns the moon a deep copper color. This “blood moon” will be visible across large ...

Comet Lemmon was captured over Mauna Kea during its 2025 pass, showing its path and brightness as part of long-term sky records ...

Images from NASA's Galileo mission reveal a tantalizing starburst-like feature. Scientists call it a "wall demon." ...