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Boom! Galaxy with 9 rings nicknamed the Bullseye
Scientists have discovered a galaxy with 9 rings around it. The rings are evidence of an earlier collision, and the rings are where new stars are forming.
February 6, 2025
Possible smallest exoplanet found … and it orbits a pulsar
Astronomers in Europe said they have discovered what might be the smallest exoplanet found so far. If real, it is smaller than our moon and orbits a pulsar.
February 5, 2025
KA-BOOM! Mars shakes when meteors smash into the planet
Astronomers have used AI to connect meteor impacts on Mars with marsquakes. They found that seismic waves can travel faster through the planet than expected.
February 5, 2025
Lightsails, and the audacious plan to reach the stars
Lightsails for star travel sound like the stuff of science fiction. But researchers at Caltech have been studying the properties of potential lightsails in the lab.
February 4, 2025
Is the moon geologically dead? Maybe not, says new evidence
Newly discovered lunar ridges have provided the first evidence of recent geological activity on the far side of the moon.
February 2, 2025
Asteroid Bennu reveals conditions for life, but with twist
Samples from asteroid Bennu brought back to Earth in 2023 contain molecular building blocks for life, evidence of ancient salty water, and something mysterious.
January 31, 2025
Powerful cosmic explosion could be a new class of event
A powerful cosmic explosion - named EP240408a - might be a jetted tidal disruption, or perhaps it's something completely new! More here.
January 31, 2025
The mass of a star is determined from binary star systems
Binary stars - a star system consisting of two stars - are extremely useful. They give all the information needed to measure mass of a star. Here is how.
January 31, 2025
The ecliptic is the path of the sun
The ecliptic is an imaginary line that marks the path of the sun. You can also find the planets and moon near this line, tracing the plane of our solar system.
January 31, 2025
Using exploding white dwarfs to measure the universe
The Rubin Observatory will find millions of exploding white dwarfs, or Type Ia supernovae. Astronomers can use them to measure the universe and dark energy.
January 30, 2025
