Mercury has a 10-mile-thick layer of diamonds under its surface
Mercury does not look like a world built for extravagance. It is small, battered, sun-scorched and gray. Yet…
Juno Snaps Rare Close-Up of Jupiter’s Shadowy Moon Thebe
NASA’s Juno spacecraft captured a new view of the irregular moon Thebe during a May 1 flyby, revealing…
Rare Comet Appears Over New Zealand, Australia and South Africa
The night skies above the Southern Hemisphere will host a rare visitor over the next two weeks. A…
Two rovers, two sides of Mars. See NASA’s side-by-side comparison
NASA has two car-sized vehicles on the ground exploring areas of Mars’s surface that are billions of years…
Interstellar Comet 3I/ATLAS Formed in Ultra-Cold Planetary System, ALMA Reveals
Water is made of two hydrogen atoms and one oxygen atom, hence its H2O formula. In typical water…
Astronomers Discover Major Clue About 3I/ATLAS’ Origins
3I/ATLAS became the main character when it came hurtling into our solar system last year, so it’s only…
Scientists Probed the Rings Around Uranus to Find Out How They Got There
The cold, icy world of Uranus is framed by a pair of rings that orbit the planet at…
Newly-Identified Geological Feature Points to Vast, Long-Dried Up Ocean in Northern Plains of Mars
A continent-like shelf beneath the Martian surface hints that a vast ocean once covered up to a third…
What’s the weirdest planet in the solar system?
Even at a glance, the planets in our solar system are wildly diverse. Huge and small, airless and…
Rare Interstellar Comet To Shine In Skies After 170,000 Years: Here’s How To Watch
A rare celestial event is set to capture attention as an interstellar comet makes its way through the…
Webb Telescope Resolves Cosmic Identity Crisis Between Planets and Stars
29 Cygni b is a massive object weighing around 15 times as much as Jupiter and with 150…
Mercury’s Sulfur-Rich Magma May Rewrite How Solar System’s Innermost Planet Formed
New research from Rice University suggests sulfur keeps Mercury’s interior molten at lower temperatures, offering new clues to…