Astronomers at the University of Arizona’s Steward Observatory, led by Kevin Wagner, have identified evidence for a potential ...

A giant planet the size of Saturn orbiting a sun-like star has potentially been identified in our nearest neighbouring stellar system, Alpha Centauri. At just four light years from Earth, Alpha ...

The final 'planet parade' of the year will feature six planets aligning in the pre-dawn sky on Sunday, August 10. A planetary alignment, casually called a 'planet parade,' occurs when several planets ...

2025 PN7 is a small, dim asteroid that appears to orbit Earth, according to EarthSky. Believed to be a piece of the moon that blasted out, the object has been in its orbit as a quasi-moon for about 60 ...

Is a sun a star or a planet? While science now agrees the sun is a star, new telescopes may soon challenge how we define ...

Astronomers using the European Space Agency's XMM-Newton space observatory and the LOFAR telescope have definitively spotted ...

Look low on the southwestern horizon at sunset on Nov. 12 for a chance to see swift Mercury close to the red light of Mars in ...

For the first time in more than five years, humanity has launched a mission to Mars — but it won't be arriving at the Red ...

Red dwarf hurls plasma at speeds rarely seen from Sun, potentially stripping atmospheres from orbiting planets ...