Sharmila Kuthunur

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.

Venus may be as geologically active as Earth, with volcanoes possibly spewing on its surface in the present day.

The James Webb Space Telescope has found three of the universe's earliest galaxies, and they could reveal a lot about galactic dynamics. Here's how.

New algorithms are being developed to automatically monitor satellites and prevent collisions in cislunar space, the realm between Earth and the moon.

NASA's Aqua and Terra satellites have captured the smoke pouring out of hundreds of wildfires blazing across Canada and Mexico since last week.

A surprisingly low amount of methane explains how WASP-107 b grew into the inflated world we see today.

The auroral displays that wowed observers around the world two weekends ago may have been among the strongest such light shows since record-keeping began.

An infant star in a faraway system will likely someday look like our very own sun, and the Hubble Telescope snapped a lovely image of it.

India's second mission to Mars will include a rover, helicopter, sky crane and a supersonic parachute, according to media reports.

New maps of Earth's rivers are documenting our planet before climate change worsens.

The Hubble Space Telescope recently imaged an actively star-forming galaxy named UGC 9684.

A car-sized asteroid flew very close to Earth on Tuesday morning (May 14), just two days after being discovered.

Using tree ring data, scientists have confirmed that summer 2023 was the hottest summer on Earth in the last 2,000 years.

Astronomers find multiple streams of dust spiraling into the heart of the nearby Andromeda galaxy, where a supermassive black hole lurks.

Scientists fighting to save coral reefs amid the climate crisis suggest sending genetic coral material to be preserved on the moon. Is it a good idea?