The asteroid, known as 2022 RD2, belongs to a rare class of space rocks called Arjunas. These objects travel around the sun ...

Telescopes on Earth, along with multiple cameras in space, have captured a whole gallery of new imagery of this alien visitor ...

The space agency got a close look at the interstellar visitor over the past few months as it zipped by Mars and the sun ...

Photographing the deep sky at night can be a complicated business involving specialist knowledge, expensive and bulky ...

Spectroscopy of other stars has led to most discoveries of exocomet systems. In research led by University of Colorado ...

During the weekend, the orbits of Earth and Saturn will combine to create an interplanetary optical illusion for anyone with ...

NASA has finally published several observations of interstellar comet 3I/ATLAS that were taken during the long government ...

Sky This Week is brought to you in part by Celestron. Friday, November 21 The solar system's seventh planet, the ice giant Uranus, reaches opposition this morning at 7 A.M. EST among the stars of ...

November is the best month of 2025 to catch a glimpse of the distant ice giant Uranus as it shines at opposition, though ...

Interstellar comet 3I/ATLAS has spent the last several months on a tour of our solar system. NASA spacecraft and telescopes ...

NASA is unveiling close-up pictures of the interstellar comet that's making a quick one-and-done tour of our solar system.

(THE CONVERSATION) When astronomers search for planets that could host liquid water on their surface, they start by looking at a star’s habitable zone. Water is a key ingredient for life, and on a ...