Mercury’s risk of orbital disruption rises by 50–80%. There’s a 0.3% chance Mars could be lost through collision or ejection, ...

Researchers wanted to know if today’s mummies still carry traces of the original embalming materials. And if so, could those scents help museums better preserve and explain thes ...

New computer models suggested that the Mars Reconnaissance Orbiter (MRO) could get better radar data if it rolled farther ...

Artist's impression of Planet Nine – a suspected “wide-orbit” planet – with the Sun in the distance; Neptune's orbit is shown ...