Everyone knows Earth has one moon. That big, bright object in the night sky is the Moon with a capital M. But astronomers have discovered that Earth actually has several other moonlike objects ...

Researchers have uncovered evidence that Uranus and Neptune could be far rockier on the inside than anyone expected.

The world's most expensive infrared spectrometer - the James Webb Space Telescope - is unearthing extraordinary exoplanet ...

OUR much-loved astrologer Meg sadly died in 2023 but her column will be kept alive by her friend and protégée . Read on to ...

Notable planetary phenomena include Saturn reaching a stationary point near a waxing Moon in Aquarius (November 28-29) and Mercury concluding its retrograde motion to become brighter and visible with ...

Neptune stations direct in Pisces on Dec. 10, and a decade's worth of dreams is brought to the forefront. Here's what the ...

The twin telescopes of the Gemini Observatory mark 25 years of discovery as students name distant nebula Ua ʻŌhiʻa Lan. The ...

Several small worlds beyond Jupiter are not just frozen rubble. Beneath their shining skins, many hide oceans of liquid water. New research says those seas do not always stay calm. When the ice lids ...

Small, icy moons might be boiling under their surface. Many moons in the outer solar system are thought to harbor subsurface oceans beneath their icy crusts. New computer simulations, reported ...

"Life could go on as usual." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Small icy moons in the outer reaches of our solar system may hide ...

New models suggest Uranus and Neptune may hold far more rock than expected, raising questions about how these distant planets formed.