Researchers in Australia say their latest project scanned billions of stars and 144 known exoplanets for signs of alien broadcasts.

The galaxy, dubbed Alcyoneus, is a large radio galaxy that spans 16.3 million light-years or roughly 150x the span of the Milky Way galaxy.

Asteroid 16 Psyche, which NASA intends to visit with a spacecraft in 2026, may be less heavy metal and more hard rock than formerly thought.

A team of German astronomers have discovered a strange new type of star covered in the by-product of helium burning.

New research from Washington University in St. Louis suggests a fundamental reason why Mars has no water on its surface.

MUSE and HelioSwarm will help improve our understanding of the dynamics of the Sun-Earth connection, and the changing space environment.

All life consists of the same chemical building blocks. These include peptides, which perform various completely different body functions.

Researchers have confirmed that a possible microlensing event witnessed in 2011 was due to the presence of a rogue black hole.

A state-of-the-art asteroid alert system can scan the entire dark sky every 24 hours for dangerous bodies that could plummet toward Earth.

The hydrothermal crater lake of the Poás volcano in Costa Rica is one of the most hostile habitats on the planet.

Physicists looked at specific features of light to figure out the closest you can get to a black hole without having to prevent disaster.

Scientists found something unusual that releases a giant burst of energy 3 times an hour, and unlike anything astronomers have seen before.

According to a study by a team of scientists, Saturn's mini-moon Mimas may have a "liquid water ocean beneath a 24-31 km thick ice shell".

How many black holes are out there in the Universe? This is one of the most relevant and pressing questions in modern cosmology.

Water is essential for life on Earth and other planets, and scientists have found ample evidence of water in Mars’ early history.

Researchers discovered the structures of proteins that may be responsible for the origins of life in the primordial soup of ancient Earth.

An astronomer and a group of eagle-eyed citizen scientists have discovered a giant gas planet hidden from view by typical stargazing tools.

The Earth sits in a 1,000-light-year-wide void surrounded by thousands of young stars — but how did those stars form?

Evidence demonstrates a close connection between the fraction of organic matter buried in sediments and changes in supernovae occurrence.

Astronomers have discovered at least 70 new free-floating planets — planets that wander through space without a parent star.