Today is the 100th anniversary of the total solar eclipse that showed space can curve ... thereby proving Einstein's general relativity theory and catapulting Einstein into rock star fame. Read more.
Einstein’s theory of gravity was put to the test and proven successful 100 years ago today. Now, a century later, scientists are still searching for the limits of Einstein's theory. Read more.
Watch 2 Russian cosmonauts perform a spacewalk outside the International Space Station today. NASA’s live coverage begins at 15:15 UTC (11:15 a.m. EDT; translate UTC to your time). The spacewalk is expected to last about 6.5 hours. How to watch.
Each year on May 29 and 30 - and again in early July - New Yorkers watch for Manhattanhenge, an alignment of the sunset along city streets. Fun! Read more.
Alex Krivenyshev of the website WorldTimeZone.com caught these photos of the lightning show over New York City on May 28. "Watching from my window," he wrote. Thanks for sharing, Alex! See photos here.
As dawn breaks, the moon and Venus will be near the sunrise point. On Thursday and Friday mornings, the moon's lit side will point at Venus. Read more.
View at EarthSky Community Photos. | Dr Ski in Valencia, Philippines, caught this image of the sun yesterday. No sunspots visible, but that's an awesome prominence on the sun's limb! Thanks, Dr. Ski.
