Far beyond our blue planet, some 1.2 billion kilometers away, lies Saturn’s largest moon, Titan—a massive, hazy orb often described as an “Earthlike surface atop a hidden ocean.” Though cloaked in icy ...

Titan may seem like a prime candidate for alien life with its organic-rich surface and deep subsurface ocean, but new ...

Life-supporting energy and nutrients on Titan could come from its surface and core. Organic matter from Titan's atmosphere ...

Europe's Gaia space telescope was powered down and sent into "retirement" on Thursday after a decade revealing the secrets of the Milky Way, but its observations will fuel discoveries for decades ...

Dark spots on the skin are usually not a cause for concern, but some people may choose to get rid of them for cosmetic reasons through laser treatment, microdermabrasion, and other methods. Dark ...

Scientists are homing in on the nature of a mysterious force called dark energy, and nothing short of the fate of the universe hangs in the balance. The force is enormous — it makes up nearly 70 ...

Dark energy makes up roughly 70% of the universe, yet we know nothing about it. Around 25% of the universe is the equally mysterious dark matter, leaving just 5% for everything that we can see and ...

Here’s how it works. New results from the Dark Energy Spectroscopic Instrument (DESI) suggest that the unknown force accelerating the expansion of the universe isn't what we believed it to be.

Dark energy, the mysterious force thought to be driving the ever-faster expansion of the universe, appears to be changing over time, according to new observations released Wednesday. If dark energy is ...