SOHO is celebrating a huge milestone, and one it was never intended to meet: it has now observed one complete,…
The largest solar flare in twelve years was recently witnessed by a team of UK scientists, and could teach us…
NASA just observed two powerful flares emitted off the Sun. Now's your chance to see some auroras, if the full…
As part of its Planetary Science Deep Space SmallSat Studies program, NASA has selected a CubeSat mission to study Venus'…
The TRAPPIST-1 star might flare too frequently and too violently for life to exist on the TRAPPIST planets.
The Smithsonian Astrophysical Observatory and Draper are helping NASA to develop the Solar Probe Plus, the first spacecraft that will…
Astronomers have found 234 stars that are acting suspiciously like signals sent by extra-terrestrials.
Today marks the June solstice, as the Sun passes highest in the sky for observers across the northern hemisphere. Here's…
No one had a better view of the transit of Mercury across the Sun than the space-based Solar Dynamics Observatory,…
Water ice in a disk surrounding a star might seem out of place, but the ice might be essential to…