A sun rash — known medically as a polymorphic light eruption — is a skin reaction due to sun exposure. It may cause irritation but does not usually result in serious complications. It ...

On the sun's surface, regions of concentrated magnetic fields manifest themselves as dark sunspots. Above sunspots, active regions in the sun's atmosphere produce solar flares and coronal mass ...

Depending on the cause, people may call some types of dark spots on the skin age spots or sun spots. These spots can vary in size and amount from person to person. The color of dark spots may ...

The Dark Energy Spectroscopic Instrument (DESI) collaboration just dropped their first official data release, covering the first 13 months of the instrument’s operation. While many conclusions ...

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 ...

Venus will pass between the Earth and sun on Saturday during what's called an inferior conjunction. The moment of conjunction will happen at around 9 p.m. EDT, but don't plan on seeing the linkup.

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 ...

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 ...

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 ...

Copyright 2025 The Associated Press. All Rights Reserved. Copyright 2025 The Associated Press. All Rights Reserved. This image provided by NSF’s NOIRLab shows the ...