I pick out North America’s celestial highlights for the week ahead (which also apply to mid-northern latitudes in the northern hemisphere).

A collision happens. Someone is hurt, a head injury, a concussion. Just as the first responders arrive to help the person, inside the brain, another

Mars will seem to disappear behind the full wolf moon Monday for many sky-gazers. Throughout January, also look up to see Venus, Saturn and Jupiter in the night sky.

Venus and Saturn will be in conjunction this weekend, appearing side by side in the night sky during January's post-sunset "planet parade."

The study's findings are crucial in the rapidly emerging field of developing disease-modifying therapies that target microglia.

Although it will look its best and brightest for years to come, Mars will be dwarfed by Venus in pure brightness terms by late January. Between Jan. 28 and Feb. 27, Venus will swing close to Earth and be as bright as it ever gets in the evening sky ...

Venus with Mars makes the subject lascivious. Venus with Jupiter in the 9th Bhava confers great prosperity. Venus with Mercury in

Plus: Saturn’s moon Iapetus is visible, our Moon passes the bright star Spica, and Mars skims south of Pollux in Gemini in the sky this week.

In 2025, multiple planetary retrogrades will influence daily life. Mercury retrogrades will disrupt communication and travel, while Venus retrograde i

Planetary alignments aren't rare, but they can be when they involve six of the eight planets in our solar system.

Researchers find that microglia function differently in males versus females, potentially having broad implications for how neurological diseases are studied.