As bizarre as Venus appears today --- a hellish cloud-cloaked world of extraordinary surface pressures and surface temperatures not fit for man or beast --- it is also one of only two full-sized ...

The James Webb space telescope looks further back in the universe than any other instrument. Now a baffling puzzle has been discovered in the data. Among the particularly distant galaxies explored by ...

Venus rotates clockwise, opposite most planets, a phenomenon called retrograde rotation. A day on Venus is longer than its year, and the sun rises in the west. Scientists believe a collision or ...

The long-running series in which readers answer other readers’ questions on subjects ranging from trivial flights of fancy to profound scientific and philosophical concepts Do all wind turbines rotate ...