sun
The Photon Sieve Could Revolutionize Optics
Scientists at NASA"s Goddard Space Flight Center are developing the photon sieve, a small, inexpensive device designed to study the…
A Dark Region Is Growing Eerily On The Sun’s Surface
Images from NASA's Solar Dynamics Observatory have spotted a growing dark region called a coronal hole, which is the cause…
Why Does the Sun Rise in the East (and Set in the West)?
Since time immemorial, humans have known that the Sun will rise in the east and set in the west. But…
Huge Plasma Tsunamis Hitting Earth Explains Third Van Allen Belt
A transient third Van Allen belt was first observed in 2013, and new research explains how it was formed.
Space Weather Causing Martian Atmospherics
A mysterious plume seen on Mars four years ago may have been caused by the impact of a large solar…
Friendly Giants Have Cozy Habitable Zones Too
According to a recent study from the Carl Sagan Institute, aging red giant stars could still have habitable zones that…
Watch Mercury Transit the Sun in Multiple Wavelengths
No one had a better view of the transit of Mercury across the Sun than the space-based Solar Dynamics Observatory,…
Give Mom the Aurora Tonight / Mercury Transit Update
A review of last night's spectacular aurora along with a look at tonight's space weather forecast plus a recap of…
How to Safely Watch Mercury Transit the Sun on May 9
On Monday, May 9 Mercury will make one of its relatively rare transits of the Sun. Get ready for the…
Huge Sunspot Turns Earthward
A massive sunspot emerged this past weekend, reversing the downward trend for solar cycle #24... for now.