Astronomers have discovered that a scorching hot lava planet, that is believed to be composed of diamond, grew a second atmosphere after its star had destroyed its first atmosphere. The discovery ...

New data from NASA's Chandra X-ray Observatory telescope and the European Space Agency's XMM-Newton satellite has shown that a planet may have been destroyed by a white dwarf—one of the dimmest ...

It is this detail that points to the potential presence of a planet extremely close to the star, one that could have even been destroyed by the white dwarf. And that's exactly what a new study ...

If these events can be confirmed, the Helix Nebula's strange signal will have led astronomers to the first case of a planet destroyed by the central star in a planetary nebula. "It’s important ...