A Neptune-sized planet, TOI-3261 b, makes a scorchingly close orbit around its host star. Only the fourth object of its kind ...

New models using Voyager 2 data show that separate layers in the planets’ mantles could be creating disordered magnetic ...

You may need binoculars or a telescope for this one. It includes the three furthest planets in our solar system.

This year, four planets retrograde in the sky: Mercury, Jupiter, Uranus and Neptune. Mars is in its pre-shadow phase and ...

I enjoy marking day’s end, beginning of nighttime, with a glance to the dazzling white Evening Star low in the ...

From 520 light-years away, astronomers have caught a glimpse of a nascent massive world still embedded within its star’s protoplanetary disk.