Donaldjohanson, a main belt asteroid, could be a relic of a cosmic collision that took place 150 million years ago.

New Southwest Research Institute-led modeling indicates the main belt asteroid (52246) Donaldjohanson may have formed about ...

Pictures may enliven us, but other data, such as information about magnetic fields, add a huge amount to our understanding of ...

Nuclear pulse propulsion is a technology that would work. It was being developed in the 1960s but it was stopped because of ...

The vernal equinox occurs as Mercury stands still in Pisces and several of Jupiter’s moons transit in the sky this week.

If there was a contest for the most interesting moon in our solar system, Callisto would be a contender. Jupiter's ...

Using data collected by NASA's Juno spacecraft as it flew past Jupiter's highly volcanic moon Io in late 2023 and again in ...

Io’s long-debated magma ocean may not exist. Juno spacecraft data reveals that tidal forces deform the moon differently than ...

The dividing line between gas giant planets and failed stars is blurry at best. The isolated planetary-mass object SIMP ...

It has about 13 times the mass of our Jupiter and could therefore also be ... The data not only revealed a lot about the surface, but also about the composition of the object.

Meanwhile, glowing brilliantly, well up in the southern and western sky is Jupiter. Mars, accompanied by its stellar companions Pollux and Castor, climbs almost overhead a couple of hours after ...