Solar system

This year, from Earth’s perspective, Saturn’s rings will appear nearly edge on, making them almost invisible

Peculiar bursts of energy called chorus waves have been detected in deep space far from our planet, suggesting they could pose problems for long-distance space travel

A little-known chapter of the Hubble Space Telescope’s history is a reminder of the risks of looking at the sun

The heavy-lift New Glenn rocket soared to success, reaching orbit on its highly anticipated inaugural flight but failing to land its booster on an ocean barge

A Texas-built lander named Blue Ghost marks another test of NASA’s new lunar delivery initiative

The heavens will provide a bounty of viewing treasures in the coming year

NASA sees two paths for saving its beleaguered plan to retrieve materials from the Red Planet but won’t choose between them until 2026

Pluto and its largest moon Charon could have come together via a 10-hour “kiss-and-capture” encounter after a grazing collision

The familiar zodiac constellations are defined by Earth’s motion around the sun, but they don’t define your fate

According to a tenet scientists call the cosmological principle, our place in space is in no way exceptional. But recent observations could overturn this long-held assumption

The Parker Solar Probe will swoop just 6.1 million kilometers above the sun’s surface on Christmas Eve. Scientists are thrilled at what we might learn

The moon may have melted 4.35 billion years ago—explaining a lunar age mystery