During the Cosmic Dark Ages, our universe matured from a primordial soup of neutral gas to the star-filled cosmos we see today. A new study probes this mysterious time.
Scientists say they’re likely to be tardigrades - tiny, 8-legged marine creatures - which can survive until the sun dies, long after we humans have disappeared.
Is there an unknown, massive planet on the fringes of our solar system? New work that claims to remove "observational bias" also supports this very exciting possibility.
Neeti Kamthekar captured this photo of the lone sunspot that's been making its way across the sun in recent days. In reality, the sun's own spin is causing its apparent movement.
This star is just a sliver larger than Saturn, not even the largest planet in our solar system. Yet it's massive enough to shine as a star, and its pull of gravity is some 300 times stronger than Earth's.