Astronomers

Diffuse galaxy NGC1052-DF2

Scientists Thought All Galaxies Had Dark Matter, but They Just Found One Without It

The find defies the assumption that the mysterious matter is necessary for galaxy formation

70,000 Years Ago, a Passing Star Shook Up Our Solar System

The red dwarf likely came within one light-year of the sun, altering the course of some asteroids and comets

How It All Began: A Colleague Reflects On the Remarkable Life of Stephen Hawking

The physicist probed the mysteries of black holes, expanded our understanding of the universe and captured the world's imagination, says Martin Rees

Saturn's hazy moon Titan

Purple Haze: Alien Atmospheres Recreated In the Lab

By combining various gases with plasma, researchers are learning about the haze around distant planets

Artists interpretation of the earliest stars

Astronomers May Have Just Detected the Universe's First Stars

A long-sought radio signal indicates the first stars began burning 180 million years after the initial Big Bang

Researchers estimate more than a trillion planets could exist in the elliptical galaxy at the center of this image.

Astronomers Spot Signs of Planets Outside the Milky Way

Researchers estimate that more than a trillion planets may lurk beyond our galaxy's bounds

Pi^1 Gruis

Astronomers Get Best Look Yet at the Surface of a Red Giant Star

The image shows convection cells on the star are huge, confirming some theories about star evolution

The IMAGE satellite

Amateur Astronomer Finds Long-Lost NASA Satellite

The hobbyist was in search of the lost Zuma satellite when he spotted IMAGE, which went offline in 2005

Galaxy SPT0615-JD

Behold Hubble's Best Image of a Distant Galaxy Yet

The galaxy is roughly 13.3 billion light years away, and formed just 500 million years after the universe began

Artists illustration of the K-138 system

Citizen Scientists Discover an Unusual Five-Planet Solar System

Users looking through data on Exoplanet Explorers flagged four sub-Neptune planets orbiting a distant star called K2-138

The Orion Nebula

Take a Breathtaking Trip Through the Orion Nebula in NASA's New Video

Combining visible and infrared imagery, the new video takes viewers deep into the star nursery

The Arecibo telescope, used to detect the Fast Radio Bursts

New Clues to the Origins of the Mysterious Fast Radio Bursts From Space

New analysis suggests that the bursts originate near massive black holes or neutron stars

Meet the Newly Named 86 Stars of the Night Sky

The new names are drawn from China, Australia, South Africa, Maya, Polynesian and Coptic traditions

Dinosaurs Were Around Before Saturn Had Rings

Data from the Cassini space probe suggests that the rings may be as young as 150 million years old

Artist's rendering of 'Oumuamua

The First Interstellar Object Seen Buzzing by Earth Is Pretty Weird

Roughly the size of a football field, the object is roughly 10 times longer than it is wide

A Leonid meteor in 2009

Leonid Meteor Shower Will Streak Through Skies This Weekend

Expect 10 to 25 shooting stars per hour as the planet passes through the debris of comet Tempel-Tuttle

A 2015 image from the Hubble space telescope, highlighting some of the oldest galaxies in the universe.

Astronomers Spot One of the Oldest Galaxies in the Universe

The dusty, star-forming galaxy is 12.8 billion years old

Jupiter's Auroras Are Surprisingly Out of Sync

X-ray bursts from the poles are expected to line up, but the south is regular while the north produces haphazard bursts

An Orionid meteor

Look Up: The Orionid Meteor Shower Will Streak Through Skies This Weekend

Bits of Halley's Comet are raining down on Earth, and the show will peak in the wee hours of Saturday morning

An illustration of two neutron stars merging, ejecting gamma ray streams and clouds of matter that produce heavy elements and light

Scientists Spot the Spark From Ancient Collision of Neutron Stars

The chirp and flash from the event offers clues to the origin of Earth's precious metals

Page 10 of 17