As next-generation telescopes map this outer frontier, astronomers are bracing for discoveries that could reveal hidden planets, strange structures, and clues to the solar system’s chaotic youth.

Hubble keeps returning to the Egg Nebula because it changes in ways astronomers can actually track over years and decades. By comparing images taken at different times, scientists can see dust shift, ...

Learn why the Sun will appear as a brilliant ring of fire during the February 2026 solar eclipse. Discover the science behind this annular event and how to watch it safely.

Forty years ago, Voyager 2 flew past Uranus and observed radiation levels that defied explanation. Now, scientists may ...

This stunning image from NASA's Hubble Space Telescope reveals a dramatic interplay of light and shadow in the Egg Nebula, ...

Astronomers have flagged a tantalizing candidate for a frozen twin of Earth, a world known as HD 137010 b that appears to circle a Sun-like star about 146 light-years away. The planet seems to be ...

Voyager 1 left Earth in 1977 as a bright symbol of optimism, a compact machine carrying humanity’s sounds and sketches into the dark. Nearly half a century later, its story has taken a darker turn, ...

A team of scientists at the University of Chicago has launched a groundbreaking experiment in search of ultrahigh-energy ...

Tennyson was prolific, prodigious. He rumbled with poetry; he recited it endlessly; it poured off him on long walks. Language ...

NASA’s latest close-up of our star is not just a pretty picture. When the Parker Solar Probe swooped to within 3.8 million miles of the Sun on Dec. 24, 2024, it delivered a view of the corona that no ...

Cosmic relationships in space mirror human connections, with some stars locked in destructive, codependent partnerships. Binary systems featuring white dwarfs often exhibit this imbalance, where one ...

The moon will pass directly in front of the sun on Feb. 17, setting the stage for a dramatic annular solar eclipse.