On March 26th, the ESA's Solar Orbiter made its closest approach to the Sun so far. It ventured inside Mercury's…
Earlier this week the Sun erupted with a huge explosion, blasting solar particles millions of kilometers into space. The team…
A Sun-like star over 100 light-years away experienced a massive flare and ejection that would be devastating if it happened…
The Earth’s magnetic field is an underappreciated wonder of the natural world. It protects our atmosphere, provides some of the…
Space is full of hazards. The Earth, and it’s atmosphere, does a great job of shielding us from most of…
"A great fire appeared in the sky to the North, and lasted three nights," wrote a Portuguese scribe in early…
The largest solar flare in twelve years was recently witnessed by a team of UK scientists, and could teach us…
The Smithsonian Astrophysical Observatory and Draper are helping NASA to develop the Solar Probe Plus, the first spacecraft that will…
In 1859, the Sun gave off the most powerful solar flare on record. A blast of radiation and particles so…
The northern lights are an amazing thing to behold, and can be seen regularly from locations spanning from Siberia and…