Sharmila Kuthunur

Cities around the world are now growing upward more than outward, an analysis of three decades of satellite data has found.

A new simulation suggests the possible head-on collision of our Milky Way galaxy with the neighboring Andromeda galaxy comes down to a coin flip.

A look back at how NASA nailed the landing of its Curiosity Mars rover in August 2012, and what that success meant for Red Planet exploration.

NOAA satellites in orbit have recorded real-time views of Hurricane Ernesto as it made landfall in Bermuda before sailing through the Atlantic.

Telescopes caught a glimpse of Europe's JUICE probe as it swings by Earth and the moon for a gravitational assist on its way to explore Jupiter's icy moons.

Scientists have uncovered the "genetic fingerprint" of the dinosaur-killing Chicxulub impactor, potentially revealing the fateful rock's origins in the outer reaches of our solar system.

Astronomers have pinned down a faraway black hole's snack schedule after watching it devour a star across years.

Auroras on Earth occur when storms from our sun engulf our planet. In a rare cosmic feat last April, our planet returned the favor.

Satellite images have revealed the true extent of damage left in the wake of Greece's worst wildfire this year.

With prolonged space missions on the horizon, scientists are racing to understand how microgravity affects the human body and how drugs could mitigate some of those effects.

ESA scientists recall highlights of the historic Rosetta comet-chasing mission on its 10th anniversary.

"Having access to this accurate and localized NO2 data allows organizations like ours to understand the air quality challenges we encounter, and to advocate more effectively for the health and well-being of community residents."

In its search for answers to why our sun's corona is hotter than its surface, NASA's Parker Solar Probe has ruled out one explanation.

A new AI-powered algorithm has discovered over 300 polluted white dwarfs in the Milky Way that were overlooked in old telescope data.

SpaceX Starlink satellites designed to connect directly to smartphones shine nearly five times brighter than traditional Starlinks, a recent study found.

NOAA satellites in orbit have recorded nearly real-time views of Hurricane Debby as it makes landfall in Florida on Aug. 5, 2024.

Perseverance science team member Amy Williams discusses the rover's recent discovery of a rock with features and chemistry that could have been produced by ancient microbial life on Mars.

A new Hubble Telescope image shines a spotlight on a classic spiral galaxy named NGC 3430.

A new study reveals waves of magnetism within the sun could help explain why the sun's outer atmosphere, the corona, is hundreds of times hotter than its surface.

To celebrate the 25th anniversary of the flagship Chandra X-ray observatory, NASA released a behind-the-scenes look at the work it takes to keep the $1.5 billion telescope flying in space.

Europe's JUICE Jupiter spacecraft will swing past Earth on Aug. 20, and some skywatchers in Southeast Asia and the Pacific Ocean region may be able to see it.

NASA's Perseverance rover stumbled upon a Mars rock. It seems to suggest evidence of ancient life on the Red Planet.

To celebrate the 25th anniversary of the flagship Chandra X-ray observatory, NASA has released 25 never-before-seen images of iconic astronomical objects.

Comet 13P/Olbers approached close to Earth on July 20. It was last seen from Earth in 1956.

The first robotic Argonaut moon landing mission is targeted for 2031, the European Space Agency noted in a document published last week.