The direction, distance and motion of the comet through the sky during its closest approach could have made it seem like it ...

An international team of astronomers has uncovered the most unmistakable evidence yet that the powerful jets launched by ...

When the 3 rd -century Christian theologian Origen of Alexandria attempted to account for the unusual movements of the Star ...

Learn about what may be the first ever superkilonova ever observed, emitting gravitational waves that hint at the collision ...

A double blast of dying stars may be the first observed case of a long-hypothesized, never proven “superkilonova.” Although ...

Columbia Professor Brian Metzger helped other astronomers interpret their observations of the unexpected stellar event.

The vantage point at Cerro Pachón, with its dark skies and high-altitude clarity, enhances the richness of the image.

When the most massive stars reach the ends of their lives, they blow up in spectacular supernova explosions, which seed the ...

For the first time, scientists have directly detected molecules in a Frisbee of gas and dust swirling around an alien ...

Edwin Hubble, born November 20, 1889, made seminal observations in 1923 of the Andromeda Galaxy and a Cepheid variable, which significantly broadened the understanding of other galaxies and the ...

An international team of astronomers, led by SRON, has observed a sudden outburst of matter near the supermassive black hole ...

Cosmic dawn galaxies seen by JWST reveal hidden clues about dark matter and keep rival theories about its true nature alive.