For the past 60 years, Earth has had a secret companion in space—a quasi-moon that has been sharing our planet’s orbit around ...

Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby sun-like star, providing a precious peek into the dawn of our own solar system. It’s an unprecedented ...

A planet parade featuring all seven of the other planets in the solar system will peak tonight, just over a month since the last one. If you missed January’s spectacle, make sure you tune in to this ...

A planetary parade is in store for the end of February, just over a month since the last one. If you missed January’s spectacle, make sure you tune in to this one. Here’s what you need to know and how ...

In a new, groundbreaking discovery that has captivated the astronomy community, scientists have confirmed the presence of not one, but four small planets orbiting Barnard’s Star– the second-closest ...

Astronomers first documented a CME in 1859, in conjunction with the widespread energy grid disruptions that later became ...

Astronomy fans know 2025 kicked off with a meteor shower, but another big spectacle is coming up that should be on your radar, too. Here’s what to look forward to and how to watch. Planetary alignment ...

A planetary parade, an alignment of several planets, will occur next week, but not all planets in tow will be visible to the naked eye. If you plan on looking skyward on June 3 to catch a glimpse of ...

A planet parade is in store for the end of February, just over a month since the last one. If you missed January’s spectacle, make sure you tune in to this one. Here’s what you need to know and how ...