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 .

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

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

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

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

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

NASA's James Webb Space Telescope has been unwaveringly focused on our universe. With its unprecedented power to detect and ...

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.

New research suggests sub-stellar objects called dark dwarfs could glow forever on dark matter energy. Could they reveal secrets about the universe’s hidden mass?