By Will Dunham WASHINGTON, May 4 (Reuters) - In the far reaches of our solar system - beyond the outermost planet Neptune - ...
A rare observation opportunity revealed the presence of a thin atmosphere around a small object beyond Pluto.
MIT astronomers using the James Webb Space Telescope have discovered that a rare "planetary odd couple", a hot Jupiter and a ...
Pluto was believed to be the only body beyond Neptune with an atmosphere. Now, a new discovery in our solar system is ...
Astronomers have detected the chemical fingerprint of a frozen, water-rich planetary fragment being devoured by a white dwarf star, offering the clearest evidence yet that icy, life-delivering objects ...
If confirmed, the rock would become just the second world past Neptune in our solar system to host an atmosphere.
Two decades ago, the International Astronomical Union—which defines and names celestial bodies—redefined the criteria for ...
In the far reaches of our solar system — beyond the outermost planet Neptune — resides a host of icy and desolate celestial ...
NASA’s James Webb Telescope captured the clearest view yet of a rocky exoplanet, revealing a scorching, airless world unlike ...
Is Pluto a planet? At a U.S. Senate committee hearing this week, NASA's chief shared his thoughts on the decades-long debate.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results