The James Webb Space Telescope has detected water vapor and thick clouds on LTT 9779 b, an ultra-hot Neptune locked in a ...

A decades-old cosmic mystery may finally be solved. Scientists now suspect that the strange X-ray glow from a distant white ...

March's full moon, known as the Worm Moon, will bring a stunning total lunar eclipse, turning the Moon a deep reddish hue in ...

This suggests that large and small planets may form in different ways. “What we found is that right around the size of Neptune, planets go from being almost always on circular orbits to very often ...

The finding points toward two different pathways by which large and small planets form. "What we found is that right around the size of Neptune, planets go from being almost always on circular ...

After tracking a puzzling X-ray signal from a dying star for decades, astronomers may have finally explained its source: The old star might have destroyed a nearby planet. Dating back to 1980, X ...

Mercury joins Venus for a few evenings, offering the best opportunity to see both planets in twilight ... along with a delicate crescent Moon. Neptune is nearby but likely not visible in twilight ...

The Planetary Parade is a mesmerizing celestial event where several planets appear to align in the sky, forming a near-straight line when viewed from Earth. This rare and stunning phenomenon ...

Stargazers will need no equipment to see Mercury, Mars, Venus, Jupiter and Saturn, but binoculars or a telescope are necessary for Uranus and Neptune. Planets can be told apart from stars because ...

A rare celestial spectacle is gracing the night sky this February, as seven planets — Mercury, Venus, Mars, Jupiter, Saturn, Uranus and Neptune — are in the post-sunset sky in a phenomenon ...

Mercury, Venus, Mars, Jupiter, Saturn, Neptune ... because the planets near the horizon — Saturn and Mercury — will be setting. Once they drop below the horizon, they will no longer be visible ...

The best way to view its phase is through a telescope not long after the Sun has set — the brighter background sky actually reduces the glare of the bright planet ... north of Neptune at 4 ...