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Is Zubeneschamali a green star? Pros say no … sky-watchers say yes
Professional astronomers can explain to you why stars can’t look green. Yet many stargazers insist that Zubeneschamali proves otherwise. What's the truth?
June 30, 2026
The Tunguska explosion rocked Siberia 118 years ago
The Tunguska explosion on June 30, 1908, is the largest asteroid impact in recorded history. Researchers are preparing for future Tunguska-sized events.
June 30, 2026
The boat-billed heron: When nature thinks big
With its oversized bill and large eyes, the boat-billed heron is a striking example of evolution going big. Read about it here!
June 29, 2026
June full moon – Strawberry Moon – is the lowest (highest) of the year
The June full moon - the Strawberry Moon - occurs on the overnight of June 29, 2026, and it will lie in the constellation Sagittarius. And it's a micromoon.
June 29, 2026
Large asteroid safely passed Earth on June 27
On June 27, 2026, a large asteroid safely passed close to Earth. Observers with small telescopes watched the asteroid sail by.
June 28, 2026
A lunar quarantine facility to protect from alien microbes?
Scientists are proposing a lunar quarantine facility on the moon to protect Earth from possible alien microbes. Do we need one?
June 28, 2026
Will Earth survive the red giant sun? New research suggests yes
Will Earth survive the sun's death, when our star becomes a red giant 5 billion years from now? A new study suggests it might, and maybe Mars too.
June 28, 2026
H5N1 bird flu has now spread to all 7 continents
The H5N1 bird flu has reached Australia, completing its spread to all 7 continents and raising concerns for the nation’s birds, wildlife and livestock.
June 28, 2026
Why do stars twinkle, but planets don’t?
Seen from space, both stars and planets shine steadily, but seen from Earth, stars twinkle while planets (usually) do not. Here’s why.
June 28, 2026
See Milky Way’s core in most detailed photo yet
ESA released a new image of the Milky Way's core. This view, from the Euclid space telescope, is the largest and most detailed image yet of the galactic center.
June 26, 2026
