US Pentagon UFO report due in June

The US Pentagon UFO report - an unclassified document - is due in June 2021. It's supposed to reveal everything government agencies know about UFOs.

It’s almost time for Manhattanhenge

Each year around May 29 and 30 - and again in early July - New Yorkers watch for Manhattanhenge, an alignment of the sunset along city streets. Fun!

See it! May 26, 2021, lunar eclipse photos

Enjoy a few photos of the May 21, 2021 lunar eclipse from EarthSky friends around the world. Thanks so much to all who shared your photos with us!

John F. Kennedy commits US to a moon landing

On May 25, 1961, John F. Kennedy addressed the U.S. Congress, inspiring a nation to a moon landing. The Apollo missions, and the dream of a return to the moon.

How do forecasters make hurricane season predictions?

The complex interplay among many factors - African monsoons, ocean temperatures, wind shear, El Niño and La Niña – that go into predicting hurricane season.

Earliest evidence of humans changing their world with fire

Stone Age artifacts excavated near the shores of Lake Malawi in eastern Africa, combined with evidence drawn from the lakebed itself, provides the earliest evidence of ancient humans using fire to enhance their world.

Listen: Have aliens already visited us?

A podcast featuring Harvard theoretical physicist Avi Loeb, on the subject of whether 'Oumuamua - the strange object that swept through our solar system in 2017 - is an artifact of an alien intelligence.

Warming is clearly visible in new US climate normals

Climatologists at NOAA have released updated climate "normals." They explain what "normal" means, how our U.S. climate normals have changed, and how to best make sense of them.

The Brood X cicadas are emerging now

Some areas of the United States are starting to report the emergence of the Brood X cicadas after their 17-year absence.

Warp drives: Physicists give chances of faster-than-light space travel a boost

If humanity wants to travel between stars, people are going to need to travel faster than the fastest-moving stuff known in our universe: light. New research suggests that it might be possible to build warp drives and beat the galactic speed limit.