A magnificent flare, with a magnitude of 6.7. Plus, see our favorite Sun pics ever
Citizen scientists, assemble.
What is going on with my moon?
They happen about once every 18 months
Don't fry your eyeballs with counterfeits.
One of our writers went all the way to the remote Faroe Islands to get the best view of the event
Should we go? Can we afford to go? All this, and more.
New high-res images from New Horizons reveal a very blobby space rock.
Excerpt: A Book of the Moon
This summer, the mission may get funding to travel to a mysterious rock at the edge of the solar system
It's an event that should bring us all together, so don't mess it up.
After a long trip, OSIRIS-REx gets down to business.
Earth isn't flat, but this strange world might be.
The evidence is right in front of you.
Watch a time-lapse here
Some drawings to explain the August eclipse's trajectory.
Don't worry, it's not rocket science.
Even partial eclipses can be exciting.
Tune in Friday at 4:30 a.m. ET to watch the moon eclipse the sun
Excerpt: Mask of the Sun
If you're in Northern Canada, you'll get the best view.
It's amazing what centuries of data can do.
New Horizons will soon find out what's up with MU69.
Better predictions can help us prepare