Mercury doesn't give up its secrets easily. The smallest planet in our solar system is also one of the most extreme—a sun-scorched, metal-rich world with a puzzling magnetic field and lavas ...

Shani Jayanti on May 27, 2025, marks a powerful time for karmic cleansing and spiritual growth, highlighted by rare planetary alignments. A Saturn-Ven ...

ESA's Solar Orbiter captured views of the planet Mercury passing in front of the Sun. Multiple instruments aboard the spacecraft captured the imagery. Credit: Space.com | footage & orbit animation ...

Putin agrees to 30-day ceasefire with Ukraine and says any deal must lead to 'enduring peace' Warren Buffett, Charlie Munger were once asked if Social Security is a 'government-sponsored Ponzi ...

On its seven-year journey to Mercury, the European-Japanese mission BepiColombo takes advantage of the gravity of Earth, Venus, and Mercury to adjust its trajectory and reach its final orbit. Launched ...

Space exploration often reveals unexpected surprises. In June 2023, during its flyby of Mercury, the BepiColombo mission collected information about the planet's magnetic field. These observations ...

Small planets like Mercury and Venus have a tiny Hill sphere radius, since they can’t exert a large gravitational pull. Any potential moons would likely get pulled in by the Sun instead. Many ...

Using this logic, our next nearest neighbor is Mars, which can get to within 34 million miles (54.7 million km) of our planet, followed by Mercury, which is around 48 million miles (77.2 million ...

"In fact," they added, "Mercury is even the closest planet to Neptune." The commentary is published in Physics Today. An earlier version of this article was published in August 2023.

Mercury's radius may have decreased as much as 7km, models and observations indicate. However, it wasn't clear whether the planet was still actively shrinking.

Shrinking planet Mercury is still getting smaller, new research finds The first evidence of Mercury's shrinkage came in 1974 when the Mariner 10 mission transmitted pictures to Earth By David Rothery ...