Mercury, the smallest planet in our solar system, has many features that have puzzled scientists for a long time. For […] ...

It’s 9 a.m. on Monday morning, and I’m on the sixth floor of Sterling Hall at UW–Madison. Here, in the newly formed Wisconsin ...

Venus will partner up with the giant planets Saturn and Neptune to form a line up in the pre-dawn sky on May 8, with ...

From Mercury to Neptune ... sweeping up material in their orbits and becoming the planets we know today. This model of solar system formation is known as the nebular hypothesis.

We were doing the typical planet vetting, and I happened to spot this signal that appeared very unusual.” An orbiting ...

The only planet "out of the loop," so to speak, is Mercury, which is aligned too close to the sun to be seen all month. Related: Night sky, May 2025: What you can see tonight [maps] Read more ...

Because Mercury is the closest planet to the Sun, it will naturally fall in the same sign as the Sun or in the sign that proceeds or precedes it. For example, if your Sun is in Scorpio ...