Latest articles by Nola Taylor Tillman
A Pioneering NASA Satellite Just Fell to Earth After 2 Decades in Space
After a lifetime spent probing the hazardous environments around black holes and neutron stars, NASA's Rossi X-ray Timing Explorer met its fate, burning up in Earth's atmosphere.
Rubber-Ducky Comets May Have Taken a Violent Beating
Violent collisions may help solve the mystery behind peanut-shaped comets like 67P.
An Exoplanet First! Helium Spotted on Bizarre Comet-Like World
For the first time, helium has been spotted in the atmosphere of an exoplanet. A new method of probing these atmospheres may make it easier to study more worlds.
We Could Find Aliens by Spotting Their Satellites
Alien civilizations with technology levels similar to that of Earth could be visible with current instruments, if they've hoisted enough satellites into orbit, a new study suggests.
Giant Impact May Have Created Mars' Moons
A collision between Mars and a large asteroid may have created the planet's two moons, Phobos and Deimos.
Landmarks on Pluto's Moon Charon Get Their First Official Names
The names of explorers and the authors of journeys make up some of the first feature names for Charon.
'Traffic Jam' from Collapsing Ring May Have Carved Saturn Moon
The slow death of a ring may have built up the distinctive ridges on Saturn's walnut-shaped moon.
Alien Atmospheres Cooked Up in Lab May Aid Exoplanet Search
Hazes baked in a lab may help researchers to understand the atmosphere of exoplanets.
Scientists Spot the Ghostly Aurora Footprint of Jupiter's Moon Callisto
Researchers may have finally found the ghostly footprint of Jupiter's moon Callisto in the planet's auroras.
72 Mysterious Cosmic Flashes Puzzle Astronomers
Fast and furious cosmic flashes leave scientists flummoxed.
Defying Theories, This Ghostly Galaxy Has Almost No Dark Matter
A ghostly galaxy has almost no dark matter.
Titan: Facts About Saturn's Largest Moon
Titan is the only moon in the solar system with a thick atmosphere. See more Titan facts here.
A Hungry Black Hole Devoured a Star, and Its 'Burp' Reveals How It Chowed Down
As a black hole consumes a star, an echoing "burp" reveals insight into the process.
How Artists Turn Hubble's Space Discoveries into Gorgeous Stellar Images
Graphic designers reveal how they translate hard science collected by Hubble into some incredibly artistic designs, while keeping the science as accurate as possible.
Water on Dwarf Planet Ceres Is Driving an Active Surface
Water may continue to play a vital role on the dwarf planet Ceres.
Stellar Nursery Unites Star-Formation Theories
The intricate threads of cold gas in the Orion Nebula reveal that star formation in the largest clouds works much as it does in the smaller ones, thus unifying theories about how stars are born.
'Mother of Hubble' Nancy Grace Roman Led the Way for Women in Astronomy
Nancy Grace Roman helped fight for what would become the Hubble Space Telescope. At 92, she continues to encourage women in astronomy today.
This Star Shines with the Light of Millions of Suns!
A dense star may help solve the mystery of a class of extremely bright objects.
The Universe's First Stars May Reveal a Big Clue About Dark Matter
The universe's early gas may have been cooled by interactions with dark matter.
