"The extent of the tail is gargantuan, stretching up to 9 million kilometers [5.6 million miles] long," said MIT astronomer ...

This strange exoplanet, located 140 light-years away from Earth in the constellation Pegasus, appears to be rapidly falling apart. Its blistering host star is so close, the radiation is effectively ...

LUVOIR is after more elusive targets: small, rocky planets around ... are ways to pull out information on surface features without actually resolving the planet. For most habitable planet ...

One of the defining features of rocky planets is differentiation ... scientists are measuring how mass is distributed from ...

Some correlations are more evident than others. For example, there's a correlation between the existence of an inner rocky planet co-inhabiting a system with an outer gas giant. This is the same ...

By Will Dunham WASHINGTON (Reuters) -Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is vaporized by stellar heat, trailed ...

WASHINGTON – Astronomers have spotted a small rocky planet that orbits perilously close to its host star disintegrating as its surface is vaporised by stellar heat, trailed by a comet-like tail ...