Jupiter will be at its most spectacular in 2026 in the early hours of Jan. 10, as it shines above the eastern horizon among ...

A four-planet system reveals remarkable insights about how planets form and how they change during their lifetime.

Pluto's days, though they drag on a bit at around 153 hours, are nothing compared to its years. Pluto's orbit takes 248 Earth ...

Humans may, one day, be able to inhabit other planets. Some advocates argue that remaining on only one courts disaster.

If scientists are able to inspect it in person, and they find that Mars was indeed once alive with microbes, we would know ...

Scientists discover asteroid spinning once every 1.88 minutes—the fastest rotation ever found for a large space rock. Five ...

The reality of what lies within our oceans has fascinated people since time immemorial, so it’s no wonder we’ve created ...

Shining in the constellation Gemini near the bright stars Pollux and Castor, Jupiter's opposition is the best time to see the ...

On Jan. 10, Jupiter will reach opposition, making its brightest cameo of the year. Here's how, when and where to spot the gas giant in the sky ...

Between Jan. 9 and Jan. 14, a cluster of planets in Capricorn will oppose Jupiter retrograde, creating friction and emotional ...

On Jan. 10, 2026, Jupiter reaches opposition, the moment when Earth passes directly between the planet and the sun. It puts ...

New models suggest that Europa has very little tectonic activity at its seafloor, which is potentially catastrophic news for ...