Canada's NorthStar Earth & Space and Thales Alenia Space said on Tuesday they will begin work on a commercial satellite system to combat the threat of collisions in space.

Gravitational waves are energy-carrying waves produced by the acceleration or disturbance of massive objects. These waves, ...

Our readers agree that in the unlikely event you were able to approach a neutron star, it would look very smooth and bright ...

XRISM found a slow, thick wind from a neutron star, pointing to temperature as the key driver of cosmic wind behavior. The ...

The gravitational lensing that causes this rare phenomenon cannot be explained solely by looking at observable ...

Gamma-ray bursts (GRBs) are the most energetic and luminous explosions in the universe. However, they are fleeting and often ...

Astronomers may have recorded the violent birth of one of the weirdest objects our Universe is capable of producing.

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Neutron star collisions are known to be factories in which heavy elements are produced. The fusion that takes place inside stellar cores can only produce elements up to iron; the r-process, or ...

The collision and merger of two neutron stars—the incredibly dense remnants of collapsed stars—are some of the most energetic events in the universe, producing a variety of signals that can be ...

The most luminous kilonova candidate to date (short gamma-ray burst 200522A) was detected using the Hubble Space Telescope, Swift Observatory and other telescopes. A kilonova is a "the afterglow ...

When two neutron stars collide, they unleash some of the most powerful forces in the universe, creating ripples in spacetime, ...