Throughout the month of September, stargazers can catch Venus ... planet into October. Mid-September will bring a partial ...

Venus gleams like a yellow jewel in the pre-dawn sky. Venus rises in the east-northeast shortly before 4 a.m., or 2½ hours ...

September is the Autumnal Equinox — the beginning of fall — in the Northern Hemisphere. Here’s a look at “What’s up in the sky” in the D.C. region this month.

Scientists have discovered that Mars' core resembles a rocky road, indicating a turbulent formation history, rather than a smooth shortbread-like structure.

Researchers from Imperial College London and other institutions analyzed seismic data collected by NASA's InSight Mars lander during ... the internal structures of other terrestrial planets like Venus ...

The morning sky boasts the two brightest planets. Jupiter rises soon after midnight and is well up in the south-southeast sky ...

The rocky world will appear as a bright morning star hugging the horizon among the stars of the constellation Leo, with the bright star Regulus — also known as the "heart of the lion" — located less ...

Mars and other rocky planets formed 4.5 billion years ago. During this time, massive collisions shaped their early surfaces. Researchers believe planet-sized objects struck Mars in violent impacts.

According to a statement from ESA, in order to progressively increase the velocity required to reach Jupiter by mid-2031, ...