We gave the Hommkiety Galaxy Projector five stars in our review for its build quality and projection quality. It's now 20% ...

Astronomers Discover ‘Ammonite,’ a Mysterious Distant Object That Could Shed Light on Our Solar System’s History The celestial body’s unusual orbit “implies that something extraordinary ...

KQ14, nicknamed "Ammonite", was discovered using the Subaru Telescope and is a highly elliptical object with a perihelion and aphelion that places it beyond the heliopause, and is not visible to the ...

Some of these flecks are even older than the Solar System itself—the presolar grains in the Murchison meteorite, for instance, go back 7 billion years.

And one day, the solar system will cease to exist. But when will the solar system end? And how will it die out? The answers to those questions depend on how we define the death of the solar system.

Astronomers have observed a solar system being formed for the first time, as hot gas condenses into solid minerals around the baby star (Picture: ESO) Astronomers have witnessed the creation of a ...

International astronomers have for the first time witnessed the birth of a planetary system beyond Earth's sun that could one day resemble our own.

CAPE CANAVERAL, Fla. — Astronomers have discovered the earliest seeds of rocky planets forming in the gas around a baby ...

Just the third-ever confirmed interstellar object has been detected in our solar system. Here's what we know. (Spoiler: It's not aliens.) ...