The scars on Ceres should have softened by now. That was the long-running problem. If the dwarf planet’s crust held a great ...

After a seven and a half year journey through the solar system, NASA’s Dawn space craft safely arrived at the dwarf planet Ceres on Friday. WSJ's Monika Auger reports. Photo: NASA/JPL-Caltech/UCLA/MPS ...

Another key official who reportedly had access to America's nuclear secrets has gone missing, as a disturbing web of deaths ...

After a 10-year-old wrote to NASA begging for Pluto to be re-instated as a planet, Administrator Jared Isaacman appears to be ...

The JWST discovers an impossible anomaly on TOI-5205 b and challenges everything we thought we knew about giant planets.

Artist’s conception of a large gas giant planet orbiting a small red dwarf star called TOI-5205. Credit: Image by Katherine Cain, courtesy of the Carnegie Institution for Science A strange giant ...

Artemis is headed for Earth’s moon, but thanks to the Hanford Reach Solar System, Uranus, Saturn and even Neptune are in your ...

Two more US lab employees have been linked to the disturbing pattern of deaths and disappearances around America.

Pluto was downgraded from a planet to a dwarf planet in 2006 by the International Astronomical Union. NASA Administrator Jared Isaacman has stated his support for President Trump to take action to ...

That's why many geophysicists prefer "big enough to be round" as the sole metric for the minimum size to be a planet. Once a body is large enough to be round, all sorts of other things happen (e.g., ...

On January 1, 1801, a Sicilian astronomer named Giuseppe Piazzi discovered the dwarf planet Ceres orbiting the sun between Mars and Jupiter. At the time, Ceres was considered to be a planet. But after ...