Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

ENTs occur when stars that are at least three times as massive as the Sun pass so close to a supermassive black hole that its colossal gravity shreds them to pieces. The resulting string of matter ...

We measure the extremely long distances between things in space by light years. A light year is the distance that light travels in one Earth year. Light travels at about 300,000 kilometres per second.

Two international teams zoned in on a potential answer to a decades-long mystery surrounding ephemeral cosmic X-rays.

"Theories involving substantial formation of stars prior to or together with the black hole formation and growth are very ...

The Gathering' is taking its next big risk: a full-on leap into science fiction. A certain Star franchise may have boldly ...

Are we living in a cosmic void? New theory suggests our galaxy sits in a giant hole warping the universe's expansion.

As the world's largest axisymmetric solar telescope, WeHoST is a symbol of China's contribution to global space science and planetary safety in an increasingly complex cosmic environment.

This lifespan began roughly 4.6 billion years ago, and will continue for about another 4.5 - 5.5 billion years, when it will deplete its supply of hydrogen, helium, and collapse into a white dwarf.

Scientists believe the Milky Way contains up to 400 billion stars and at least as many planets. The largest galaxy known, IC 1101, has more than 100 trillion stars. Step outside on a clear night and ...

The burst was so bright that it bounced off the Moon and illuminated Earth’s upper atmosphere, surpassing the brightness of a ...

As per a report from Space.com, researchers used sophisticated models and observations to learn that very massive stars give ...