The bold question-askers at What If explore why having a black hole in our Solar System would be a catastrophic scenario.

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

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

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

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 ...

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.

Astronomers from the University of Turku in Finland and elsewhere have performed a broadband spectral and timing study of an ...

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.

Cosmic radiation occasionally contains enormous amounts of energy, but we don’t know why or where this radiation comes from.

The outer space is a fascinating place that will neve cease to amaze us, with incredible views that gives us a perspective of ...

Astronomers from the University of Turku have detected quasi-periodic oscillations in an X-ray binary, XTE J0111.2−7317, ...