The Milky Way may have gone through a violent cosmic collision billions of years ago that dramatically changed the structure of our galaxy, according...

Scientists studying ancient Antarctic ice have discovered new evidence that Earth is currently traveling through a cloud of material left behind by long-dead stars. An...

Scientists studying Mars have discovered a surprising atmospheric phenomenon that was previously only known to exist around Earth. The discovery could change how researchers understand...

Iron-60 is a radioactive isotope of iron that's found in Antarctic ice and in deep-sea crusts. It's only source is nucleosynthesis in the cataclysmic explosive...

Jupiter’s moon Ganymede is already famous for being the largest moon in the solar system. At more than 3,200 miles wide, it is even...

When two black holes crash into each other, the event is one of the most violent and powerful collisions in the universe. The two objects...

Billions of years ago, a young spiral galaxy began to grow in a crowded part of the universe. It pulled in gas and small companion...

An international team of scientists has uncovered new clues about how stars lived and died billions of years ago by studying one of the...

Dark matter is one of the biggest mysteries in modern science. Astronomers believe it makes up most of the matter in the universe, yet nobody...

A massive valley on Mars may hold some of the strongest evidence yet that enormous floods once rushed across the red planet billions of...

Astronomers have directly observed how turbulent gas and charged particles floating between stars can bend and distort light traveling across the galaxy. The discovery gives...

A giant galaxy cluster once thought to be one of the calmest places in the universe is now revealing signs of a violent past. Astronomers...

If they exist, intermediate-mass black holes likely devour wayward stars like a messy toddler — taking a few bites and then flinging the remains...

A new study reveals that asteroid impact sites in the ocean may possess a crucial link in explaining the formation of the essential molecules...

Fast Radio Bursts (FRBs) are a bit like cosmic fireworks. They are sudden, intense explosions of electromagnetic radiation from deep space, lasting just milliseconds. Astronomers discovered...

This week, the Russian space agency Roscosmos had hoped to return to the moon after an absence of nearly 50 years. Instead, on Saturday it...

Scientists used the Hubble Space Telescope to observe Jupiter’s moon, Europa, at ultraviolet wavelengths, filling in a “gap” in the various wavelengths used to...