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EarthSky Voices

What Proxima’s massive flare means for our chances of alien neighbors

In May 2019, astronomers measured the largest flare ever from Proxima Centauri, the closest star to our sun. What do such flares mean for possible alien life, on a planet in the Proxima Centauri system, only 4 light-years away?

How many Tyrannosaurus rex lived on Earth?

During 2.4 million years of existence, a total of 2.5 billion Tyrannosaurus rex lived on Earth, and 20,000 individual animals would have been alive at any moment, according to new calculations.

A case against killing spiders

An entomologist explains why it's a good idea to be nice to the spiders you encounter and consider a live-and-let-live policy.

Sea level rise creating ghost forests in U.S. East

Sea level rise is killing trees along the U.S. east coast, creating ‘ghost forests’ that are visible from space.

5 ways fish are like you and me

Fish are more like humans than you might realize.

Did lightning strikes spark life on Earth?

Lightning strikes - perhaps a quintillion of them, occurring over a billion years - might have provided sparks of life for the early Earth by unlocking phosphorus, says new research.

Evidence of a brand new physics?

Physicists at the LHCb Collaboration at CERN have found particles not behaving the way they should according to the guiding theory of particle physics. Could it be evidence of a brand new physics?

How to make beneficial insects welcome in your garden

Ladybugs, lacewings, spiders, and bees can help your garden grow. How to help these beneficial insects.

How plants manage the shift from winter to spring

How plants tolerate cold spells, and the effects of climate change on how plants manage the transition from winter to spring.