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Astronomy

Starquakes reveal massive internal magnetic fields

Astrophysicists studying starquakes have discovered powerful magnetic fields within red giants, which can tell us a lot about how the stars were born, lived, and died.

Determining the age of a star just got a bit harder

Old stars just keep on going and rotate even faster, making it difficult to estimate their age.

120-year-old astronomical photos discovered in basement

Retired astronomer unearths photo of 1919 solar eclipse that helped prove Einstein's general theory of relativity.

Light from distant galaxies can reveal extra-terrestrial life

Physicists can now trace light emitted by plants and microorganisms on planets far away.

Cosmic neutrinos reveal the universe’s violent history

Astrophysicists can start using the ghostly elementary particles called neutrinos to learn about some of the most violent events in the universe.

We have reached Pluto, now what?

OPINION: Now that we have explored the solar system, from Mercury to Pluto, where do we go next? Here are some suggestions.

History of the Milky Way revealed: The age of distant planets

Until now, scientists knew the age of only a few distant planets. But new research provides precise dates for 33 stars and their planets.

News from Rosetta: Mysterious holes help unlock secrets of the universe

Mysterious holes on the surface of comet 67P are photographed in unprecedented detail, helping to unlock the history of the solar system.

New discovery: small planets have circular orbits

Scientists develop new method to measure planetary orbits. It can provide important clues on how the planets formed and whether they have the potential to host life.

New theory: Planets formed from tiny glass beads

The Solar System was once full of small glassy spheres which were the basis for the formation of rocky planets, suggests new theory.