Its composition remains uncertain—it could be a rocky, icy body similar to Earth ... Brown proposed that a previously unknown ...
A team of astronomers has uncovered an Earth-like planet orbiting a star located 4,000 light years away from the solar system ...
In 2016, scientists Michael Brown and Konstantin Batygin suggested that an unseen Planet Nine could explain the unusual ...
After a decade-long search, some scientists say a growing number of clues point to the existence of a hidden planet in the Kuiper Belt beyond Neptune — and they may soon have the opportunity to find ...
Astronomers have discovered a rocky Earth-like planet around a white dwarf star, hinting at our planet's future about eight billion years from now.
Recent data from the James Webb Space Telescope (JWST) suggests that a planet orbiting a small, red star 35 light years away ...
Our solar system used to have nine planets. Astronomer Mike Brown ... “It’s possible that it’s an icy, rocky Earth, or a super-Pluto,” said Patryk Sofia Lykawka, an associate professor ...
Hubble Space Telescope observations of white dwarf star G238-44 has shown that it is "consuming both rocky-metallic and icy ...
Over the last decade, NASA's Kepler space telescope surpassed expectations: it alone has detected several thousand planets, revealing the architecture of exoplanetary systems. Compared to our Solar ...