A detection of phosphine in the atmosphere of a brown dwarf 54 light-years from Earth deepens the mystery of phosphorus chemistry throughout the Milky Way

The new study investigates coronal heating using remote diagnostics from solar radio bursts with in situ measurements near the Sun

Research has uncovered a colossal bridge of neutral hydrogen gas linking two dwarf galaxies

The most enthralling rock yet found on Mars—a speckled hunk of mudstone that may contain evidence of ancient alien life—is still worth getting excited about

NASA Scientist Disputes Claim That Mysterious Object Headed Into Solar System Was Sent by Aliens

NASA scientists say our Sun's activity is on an escalating trajectory, outside the boundaries of the 11-year solar cycle

Astronomers Discover Previously Unknown Quasi-Moon Near Earth

Astronomers Discover Massive Molecular Cloud Hidden in Milky Way. The Giant Molecular Cloud (GMC) is about 60 parsecs—or 200 light years—long.

A decades-long scientific debate over the origins of the Silverpit Crater in the southern North Sea has been resolved

Scientists have discovered a huge solid mass measuring 600 kilometers (373 miles) long in the innermost core of Mars, which challenges our understanding of the Martian core's composition