Solar System
6 articles
Dwarf Planets Explained: The Three IAU Rules and Why 2026 ED138 May Be the Sixth
Learn the International Astronomical Union's three rules for classifying dwarf planets and explore why the newly discovered object 2026 ED138 is a strong candidate to become the solar system's sixth.
What is Deuterium in Comets and Early Solar System Formation?
The interstellar comet 3I/ATLAS carries water with a deuterium-to-hydrogen (D/H) ratio exceeding 6.
Astrophotographer Captures 30-Day Venus Jupiter Conjunction Collage
Over 30 days, astrophotographer Soumyadeep Mukherjee captured Venus and Jupiter appearing to dance closer in the night sky.
Jupiter's Great Red Spot churns, a storm twice Earth's size
The Great Red Spot, a storm system on Jupiter twice as wide as Earth, has recently shown an 8% increase in the speed of its outermost winds, defying its ancient stability.
GJ 710 stellar flyby poses long-term cosmic risk
In 1.3 million years, a star named Gliese 710 will pass just 0.06 parsecs from our Sun, a distance so close it will shine brighter than any star in our current night sky except Sirius, reaching a brig
Psyche spacecraft captures stunning Mars South Pole images
On May 15, 2026, the Psyche spacecraft, midway through its 2.