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Posts by
Shireen Gonzaga
Alpha Cephei, or Alderamin, is a fast-spinning star
Meet Alpha Cephei, in the constellation Cepheus the King. It’s spinning so fast that it appears like a slightly flattened beach ball.
September 30, 2026
Delta Cephei helps measure cosmic distances
Delta Cephei is an inconspicuous variable star in the northern constellation Cepheus the King. This important star helped establish the cosmic distance scale.
September 10, 2026
Exquisite Albireo, a beloved and colorful double star
Albireo, in the constellation Cygnus, is a favorite for stargazers. Through a small telescope, it appears as a beautiful gold star with a dimmer blue companion.
July 2, 2026
Space
Built not born: Huge black holes form in mergers, study says
A new study suggests the largest stellar-mass black holes form not from single stars collapsing, but from collisions and mergers between smaller black holes.
May 12, 2026
Earth
Why are scorpion stings so painful? Metal stingers!
Metal-tipped stingers and pincers could explain why scorpion stings and pinches are so painful. A new study has explored this amazing feature in more detail.
May 7, 2026
Space
Interstellar comet 3I/ATLAS born in a cold environment
The chemistry of water in interstellar comet 3I/ATLAS indicates that its home star formed in colder conditions compared to that of our sun.
April 26, 2026
Space
Black hole Cygnus X-1 has fast, powerful dancing jets
The Cygnus X-1 black hole emits jets that are bent by stellar winds from a companion star. This has enabled astronomers to calculate the power of those jets.
April 22, 2026
Brightest Stars
Alpha Centauri, the star system closest to our sun
Our closest stellar neighbors are the 3 stars that make up the Alpha Centauri system. They lie just over 4 light-years away from us.
April 17, 2026
Earth
Ancestors of mammals laid eggs, says new fossil evidence
Scientists discovered a 250-million-year-old Lystrosaurus fossil that was still in its egg. It showed ancestors of mammals laid eggs.
April 14, 2026
Human World
Native Americans played dice more than 12,000 years ago
Native Americans played dice games more than 12,000 years ago. That's 6,500 years earlier than Bronze age people in the Old World did.
April 9, 2026
