Earth

On March 20 at 5:24 p.m. EDT (2:24 p.m. PDT) the spring (or vernal) equinox occurs as the sun's rays shine directly down on the equator.

A newfound, highly adaptable bacterium shows the kind of diverse life to look for on Europa or Enceladus, astronomers say.

A new NASA report evaluates the costs and benefits of various space debris removal efforts for the estimated 100 trillion bits of space junk in orbit.

For the first time, a space-born smog sensor will be able to provide data on the distribution of air pollutants over America non-stop and in real time.

Lenticular clouds were seen above the W. M. Keck Observatory on March 8, hovering in the skies above the Mauna Kea and Mauna Loa volcanoes and resembling classic flying saucer UFOs.

The forced closure of the Silicon Valley Bank on Friday (March 10) could have a major impact on the space sector, as many space and tech companies had investments and accounts with the bank.

Forms of oxygen created by living organisms can be found in space around our planet, a new study has revealed, hinting at a potential new method for tracing life on exoplanets.

For the next few weeks in March, the sky to the west is illuminated by a pyramid of ethereal glow after twilight known as the zodiacal light.

Antarctic sea ice shrunk to a record low in February, satellite measurements revealed.

Sultan Al Neyadi blasted off March 2 as part of the SpaceX Crew-6 mission, and says his International Space Station mission will get the UAE ready for the moon and Mars.

New research adds to the growing body of evidence that the mysterious innermost inner core is a distinct metallic ball deep inside Earth.

Launching huge amounts of moon dust toward a gravitationally stable spot between Earth and the sun could help cool our planet, a new study suggests.

NASA astronaut Josh Cassada captured a stunning shot of green auroras dancing in Earth's skies from his vantage point on the International Space Station.

New space rules will need to come fast to support commercial space stations and moon settlements, and guard against swiftly-growing space debris.

The Surface Water and Ocean Topography (SWOT) team is troubleshooting the instrument as they seek to have the spacecraft ready for operations in June.

Climate change will be raised with VP Kamala Harris after the debut meeting of a group advising the Harris-run National Space Council on government policy direction.

The "China Compound Eye" radar array aims to track and characterize potentially threatening deep-space objects.

The Thwaites Glacier in Antarctica is melting in unexpected ways that could lead to its rapid collapse, a new study has revealed.

NASA-developed technology that can remotely detect the tiniest motions of the body caused by basic processes necessary for life will be used by disaster relief teams in earthquake-stricken Turkey.