Sharmila Kuthunur

A new thought experiment reveals how greenhouse gases can be used as a technosignature in the hunt for aliens.

Hurricane Beryl made landfall on Monday (July 1) morning, setting the record of strongest hurricane to happen this early in the year.

NASA's long-running Mars Odyssey orbiter celebrated its 100,000th orbit with a fresh view of Olympus Mons, the largest volcano in the solar system.

"It's a fun day."

India completed a series of tests for autonomously landing its fully reusable launch vehicle, marking another milestone in the country's pursuit of low cost access to space.

A neighbor galaxy of the Milky Way could offer fresh clues in the 90-year-long quest to determine the nature of dark matter.

Saturn pumps into space varying amounts of heat based on its seasons, which drives planet-wide storms, data from NASA's Cassini mission has revealed.

Astronomers have, for the first time, spotted a black hole in a nearby galaxy waking up from a deep slumber.

China has selected 10 new astronauts for training as part of its goal to put a crew on the moon by 2030, the country's human spaceflight agency announced last week.

The famous Crab Nebula gets a closeup from the James Webb Space Telescope.

A young star that astronomers have studied for decades has been found to be part of a duo, encircled by a disk of material within which planets may have just begun coalescing.

A discarded Japanese rocket was recently imaged up close by the ADRAS-J mission.

In 2029, the Landolt satellite launched into Earth's orbit will serve to calibrate telescopes on Earth.

A European experiment aboard China's Chang'e 6 mission has recorded certain charged particles previously undetected on the moon's surface.

By looking at Earth as an exoplanet, astronomers hope to search for similar fingerprints coming from planets around other stars, which would be a potential sign of intelligent life.

India's Aditya-L1 spacecraft imaged the sun a week after it unleashed the rare G5 geomagnetic storm that sparked some of the strongest auroras in centuries.

Two astronauts performed tests inside full-scale mock ups of SpaceX’s Starship Human Landing System to test spacesuits and other hardware for NASA's Artemis 3 moon mission.

Kuiper Belt Object Arrokoth, the farthest object ever explored by a spacecraft, likely tastes sweet — and soapy.

We have about five years worth of carbon emissions before we drive global warming beyond 1.5 degrees Celsius (2.7 Fahrenheit), a new report concluded.

Extremely high quality images of Jupiter's moon Io, taken by the SHARK-VIS camera on Earth, reveal a major resurfacing event.

India's Agnikul Cosmos successfully launched a test vehicle powered by a homegrown 3D printed rocket engine.

A Russian military satellite with a "history of unusual maneuvering" was spotted as it approached a satellite in geostationary orbit in April 2024.

OSIRIS-APEX emerged unscathed from its first of six close brushes with the sun, thanks to some clever engineering.

The European Space Agency's Solar Orbiter has, for the first time, traced solar wind in space to a specific location on our sun's surface.

The largest camera ever built for astronomy arrived in Chile, where it will be installed atop Rubin Observatory's Simonyi Survey Telescope.