Interstellar comet 3I/ATLAS is giving astronomers a rare, close look at material that formed far beyond our planetary ...

A potential new type of celestial object has all the makings of a normal small galaxy. It’s rich with the same hydrogen gas ...

A silent traveler has recently made its presence known in the dark velvet of our solar system. This has sparked a debate that ...

The latest finding offers "a window into the dark universe,” said one of the researchers behind the groundbreaking discovery.

An international team of researchers tracked the active solar region using the Solar Orbiter spacecraft, a joint NASA and ...

“It’s a milestone in solar physics,” said Ioannis Kontogiannis, a solar physicist at the Swiss Federal Institute of ...

The sun’s outer atmosphere resembles a pufferfish.

In a universe where history is usually measured in billions of years, a relic that may have existed before time as we know it ...

Comets continued to grab the limelight in the new year as well, with C/2025 R3 scheduled to fly by Earth in the coming months. It follows a string of other comets that made headlines in the past two ...

At 3.51 au from the Sun well beyond the region where water ice normally drives strong cometary activity 3I/ ATLAS still ...

Massive observatories and orbiting telescopes like the Hubble typically dominate the conversation when it comes to deep space ...

Comet C/2025 R3 (PanSTARRS) could become a highlight of the 2026 night sky, nearing the sun on April 20 and Earth on April 27 ...