Simulations show that the stars’ tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

The lone planet confirmed to be in the system is squeezed in between the two, orbiting at a distance similar to Earth's ...

In the cold, dark outskirts of planetary systems far beyond the reach of the known planets, mysterious gas giants and ...

In April, astronomers said they had detected a possible signature of life on the exoplanet K2-18b. Now, three independent ...

Sydney Chandler takes the reigns of the "Alien" TV series as Wendy, a "hybrid" — a child whose brain has been infused into a ...

People always want to know what will happen to Earth when the sun eventually swells up as a red giant. For one thing, the ...

With an atmosphere, by mass, of primarily hydrogen (76 per cent) and helium (24 per cent), and by volume of 89 per cent ...

The ocean covers most of Earth and may exist beyond it—scientists now suspect a distant exoplanet could be entirely covered ...

Scientists eye LHS 1140 b as a top candidate for habitability, with signs of a warm ocean and a possible atmosphere just 41 ...

NASA has just made a stunning discovery — a massive frozen disk measuring 37 trillion kilometers wide was found orbiting a young star called HD 181327. That’s more than 4,000 times the distance ...

Claims for the detection of life on other planets go back decades. Here's why you should still be skeptical despite recent ...

Artist's impression of the nu Octantis system. Image generated by ChatGPT-4.0 and further modified by Trifon TRIFONOV using the GNU Image Manipulation ...