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EarthSky Voices

Groundbreaking science from ultra-close orbits of Saturn

Last year, in its Grand Finale, the Cassini spacecraft dove repeatedly between Saturn and its rings. This week, 6 teams of researchers published new research based on Cassini's final days and those daredevil dives.

What we’ve learned from 50 years of ocean drilling

We know more about the surface of the moon than about Earth’s ocean floor. But analysis of core samples from the deep seabed has given us insights into climate change, Earth’s history, and the key conditions for life.

NASA balloon tracks electric blue clouds

A balloon mission flying over the North Pole captured 6 million images of these bright blue noctilucent clouds in their home in the upper atmosphere.

Fight climate change with more swamps

These scientists say the world needs more swamps, bogs, fens, marshes and other types of wetlands.

MarCO: Tiny cube satellites headed to Mars

These boxy satellites, small enough to fit in a backpack, are currently trailing thousands of miles behind the InSight spacecraft on their way to Mars.

Birds flying south. How many will return?

Contrary to popular thought, birds wintering in the tropics survive the winter better than birds wintering in the U.S. That's despite the fact that tropical wintering birds migrate 3 to 4 times farther.

Scientists discover earliest human drawing yet

This month, scientists published their discovery of 73,000-year-old cross-hatchings found in a South African cave. It's now the earliest known drawing and evidence of early humans’ ability to store information outside the human brain.

10 years of Large Hadron Collider discoveries

The Large Hadron Collider (LHC) has generated mind-blowing science in the last decade – including the Higgs boson particle. How the LHC, one of the most complex machines ever created, is helping physicists decode the universe.

How meteorologists predict the next big hurricane

Hurricane Florence is barreling for U.S. coast, right at the height of hurricane season. How do experts know when and where the next big hurricane is going to hit? It's complicated.

Top 3 myths about jellyfish

Myth #3: Applying urine to a jellyfish sting can reduce the pain