Besides being a point of light, a star is a luminous, spherical mass of plasma, enough to hold itself together under its own gravity. On its own, though, gravitational rounding isn't enough. What ...

JERUSALEM, Sept. 4 (Xinhua) -- A new study has found that most massive stars in the early universe formed as binary systems, meaning they were born in pairs, similar to the way many massive stars form ...

Astronomers studying how elements heavier than iron were produced in the early Milky Way have identified a distinct series of epochs of galaxy-wide chemical formation. This evolutionary timeline, ...

Chemistry in the first 50 million to 100 million years after the Big Bang may have been more active than we expected.

Scientists led by Tel Aviv University’s Tomer Shenar, with Hugues Sana of KU Leuven and Julia Bodensteiner of the University ...

Researchers led by Northwestern University and the Weizmann Institute have discovered a new type of supernova that offers a rare glimpse into the depths of massive stars and exposes hidden sites where ...

A far infrared image of the Small Magellanic Cloud as observed by the European Space Agency's (ESA) Herschel Space Observatory. Circles indicate the positions observed by the ALMA telescope, with the ...

(The Conversation is an independent and nonprofit source of news, analysis and commentary from academic experts.) Luke Keller, Ithaca College (THE CONVERSATION) For decades, astronomers have wondered ...

Merging neutron stars are excellent targets for multi-messenger astronomy. This modern and still very young method of astrophysics coordinates observations of the various signals from one and the same ...

Even if early Earth had water and oxygen, the planet would still have needed another ingredient for life to flourish: heavy metals. Our cellphones, Earth’s core and even human metabolism would ...