Oumuamua is almost certainly a comet, albeit one fittingly alien from those we find orbiting the sun, according to a new study published Wednesday.
By Nola Taylor Redd, Scientific American
If all goes according to plan, two spacecraft will commence close encounters with two asteroids by the end of August, in order to retrieve organic materials dating back to the solar system’s birth.
By Jeremy Hsu, Scientific American
The European Space Agency’s Gaia mission has released a catalog, the most detailed to date, of more than 1.5 billion stars in the Milky Way galaxy.
By Lee Billings, Scientific American
Stephen Hawking, one of the world's most recognizable scientists, died early Wednesday morning. He was 76.
By Nsikan Akpan
Astronomers witnessed for the first time ever a rare collision of two dense neutron stars. The discovery began with an instrument called LIGO, which won this year’s Nobel Prize for its discovery of gravitational waves once predicted by Albert Einstein.
By Rashmi Shivni
Astronomers have discovered a collision of neutron stars that released both a stream of gravitational waves and a flash of light, backing one of Einstein's theories.
An international team has tipped the debate on the origins of the solar system with the discovery of one of the oldest known asteroid families.
Rather than expose whether celestial objects need to go on a diet, this new weight scale offers a chance to learn more about the life cycle of stars, including our sun.
By Andrew Wagner
Astronomers announced they have detected another gravitational wave tearing through spacetime, changing of our understanding of black holes and other stellar phenomena.
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