Sharmila Kuthunur

China has moved the launch of its Tianwen 3 Mars sample return mission up two years, to 2028. The new timeline suggests China could get Mars samples to Earth as soon as 2031.

NASA's New Horizons spacecraft, which flew by Pluto in 2015, has offered the best-yet estimates of how dark deep space truly is.

SpaceX's trailblazing Polaris Dawn mission will make a daring trek into Earth orbit, one that will ferry the crew through belts of radiation wrapped around our planet.

James Webb Space Telescope finds clues about a pair of faraway, interacting galaxies that trace a distinct question mark in deep space.

Energy-packed plasma waves pump enough energy into streams of solar wind to propel them to their unexpectedly high speeds, observations by two sun-studying spacecraft suggest.

A colossal asteroid slammed into Jupiter's largest moon Ganymede with so much power it dramatically and permanently reoriented the moon roughly 4 billion years ago, new research suggests.

A long-sought invisible electrical field wrapped around Earth has been detected more than half a century after it was first predicted to exist.

A network of citizen scientists recently found a "warm" Jupiter 300 light-years from Earth that can reveal clues about how our own Jupiter and solar system evolved.

The twin ESCAPADE satellites have arrived in Florida for the highly anticipated inaugural flight of Blue Origin's New Glenn megarocket in October.

The recently launched satellite has been watching the spread of aerosols from wildfire smoke, creating a catalog that scientists say would eventually benefit weather forecasting.

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.