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.

Astronomers discover Ammonite, a rare icy object beyond Pluto, challenging Planet Nine theory and offering clues to the solar system’s ancient origins.

Astronomers have discovered the earliest seeds of planets forming around HOPS-315, a baby star located 1,300 light-years away.

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

"It is possible that a planet once existed in the solar system but was later ejected, causing the unusual orbits we see today." ...

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

Weighing in at 0.6 solar mass, HOPS-315 should someday grow to become a star much like our own sun; this makes it a promising stand-in for studying the first stages of our solar system’s history. For ...

The researchers used the James Webb Space Telescope to probe the chemical make-up of material around the star, and found the ...

Explore the race to Mars! Discover NASA, SpaceX, and China's plans, their groundbreaking goals, and the challenges of reaching the Red Planet.

The meaning of popular male and female symbols today may not be known to everyone. Let's learn more about male and female ...

Imagine waking up one morning to the news: a black hole is drifting close to our solar system. It sounds like the plot of a .

Impact Craters: Small meteoroids collide with Mars, revealing lighter sediment underneath and sculpting crater patterns that coincidentally resemble hearts. Erosion & Volcanism: Mesas and depressions, ...