"I had been waiting my entire career for Webb so that we could meaningfully characterize the atmospheres of these smaller ...

Venus will partner up with the giant planets Saturn and Neptune to form a line up in the pre-dawn sky on May 8, with ...

Apr. 15, 2025 — A new study modeled the chemistry of TOI-270 d, an exoplanet between Earth and Neptune in size, finding evidence that it could be a giant rocky planet shrouded in a thick ...

On Earth, auroras tend to occur near the polar regions, producing spectacular northern and southern lights. But on Neptune, the auroras are in very different areas. Hints of auroras were first ...

a small exoplanet with a mass less than that of Neptune," the researchers wrote. According to the study, TOI-3493 b has a radius of approximately 3.22 Earth radii and its mass is 8.97 Earth masses ...

The newfound alien world was classified as a sub-Neptune exoplanet with a mass of at least 8.4 Earth masses. The discovery was reported April 4 on the pre-print server arXiv. The radial velocity ...