Posts by 

Deborah Byrd

Biggest monster star! And the heaviest stars

How big can stars get? How does our sun compare to them? And how did the biggest monster star get so big? Meet some of the biggest and most massive stars known.

1st-ever Mars livestream! Watch the replay here

The European Space Agency broadcast the 1st-ever Mars livestream on June 2, 2023. Watch it here.

Best ocean photos: Are you longing for the sea?

Ocean photos from EarthSky friends across the globe in celebration of World Oceans Day 2023. Would you like to share your images?

Watch 1,000 Lego astronauts soar to the edge of space

A high-altitude balloon carried a mini space-shuttle with 1,000 Lego astronauts to the edge of space. Watch the fun video here.

Frank Drake, SETI visionary, born on this date

May 28, 2023, would be the 93rd birthday of Frank Drake. He formulated the famous Drake equation in 1961, as a tool for contemplating alien civilizations.

Scientists find 19,000 undersea volcanoes

A team of scientists has just discovered more than 19,000 undersea volcanoes, aka seamounts. This almost doubles how many we knew existed before.

Great Pacific Garbage Patch: An abundance of life

An amazing thread on Twitter - from a scientist who studies life on the high seas - about the abundance of life in the Great Pacific Garbage Patch.

Twin tornadoes struck near Los Angeles yesterday

Twin tornadoes struck near Los Angeles on May 4, 2023. With winds up to 76 mph (120 kph), they damaged buildings and cars, and uprooted a tree.

Early-universe prequel to a huge galaxy cluster

We know our universe consists of gigantic galaxy clusters in space. And we know that looking far away in space equals looking back in time. Here's an early-universe prequel to a huge galaxy cluster.

How do flocking birds move in unison?

How do some flocking birds perform their wonderful, graceful, synchronized movements? Hint: they don't just follow a leader or their neighbors.