Evidence of biological activity outside the solar system can potentially change the way the night sky is fundamentally ...

A newly discovered comet, called C/2025 F2 (SWAN), may have disintegrated. But the remnants are still visible.

A rare 'smiley face' triple conjunction is coming to Earth's morning skies on April 25, when Venus, Saturn and the crescent moon form a celestial smirk near the horizon.

New research suggests meteor showers are so unpredictable due to the Sun’s own motion around the solar‑system barycenter.

It’s known for its bright and fast-moving shooting stars resulting from Halley’s comet, the most famous comet of all, which ...

The Lyrids are set to dazzle the night sky April 21 to 22, offering stargazers a chance to glimpse a yearly phenomenon.

The Perseids peak on August 12–13, 2025, but a bright, waning gibbous moon will obscure many meteors. Only the brightest ...

Four of Earth’s neighbors are about to appear in a planetary alignment. Those four planets — Mercury, Venus, Neptune and ...

An international team has discovered the most distant spiral galaxy candidate known to date. This ultra-massive system existed just one billion years after the Big Bang and already shows a remarkably ...

The night sky will dazzle this week as the Lyrid meteor shower kicks off its annual display, marking the return of one of the oldest and most reliable celestial shows of the year.

It’s said that if you catch one in the night sky the universe might grant you a wish. On any given night, shooting stars are ...

In late 2017, a mysterious object tore through our solar system at breakneck speed. Astronomers scrambled to observe the fast ...