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Eleanor Imster

Mars rover finds possible rock stripes

The long-lived Opportunity Mars rover keeps finding surprises, including these possible stone stripes. On Earth, similar features result from repeated freezing and thawing of wet soil.

ISS over New York

Stan Honda caught this shot of the International Space Station from Central Park in New York City.

Violent blasts from Indonesia’s Sinabung volcano

Mount Sinabung on the Indonesian island of Sumatra erupted violently on February 19, 2018. See video of the dramatic first moments of the eruption.

Juno’s look at Jupiter’s swirling clouds

See swirling cloud formations in the northern area of Jupiter’s north temperate belt in this new view taken by NASA’s Juno spacecraft.

Copernicus’ revolution and Galileo’s vision, in pictures

It’s not a stretch to say these astronomers fundamentally changed the way we think about our place in the universe. We can gain insights into how this profound shift unfolded by looking at their actual notes.

Where narwhals like to hang out

Narwhals are among the ocean’s most elusive creatures. But new research may shed light on where these enigmatic marine mammals like to congregate.

Waterglyph

An ancient petroglyph – known as a waterglyph – on the Utah-Arizona border.

New study: Sea level rise accelerating

Global sea level rise has been accelerating in recent decades, rather than increasing steadily, according to a new study based on 25 years of NASA and European satellite data.

The periodic table song

The complete periodic table of elements … in song! From the guys at AsapSCIENCE, it’s their 2018 version. Enjoy.

Watch ISS spacewalk Thursday

2 International Space Station (ISS) astronauts will perform a spacewalk on February 15. Live TV coverage starts at 10:30 UTC (5:30 a.m. EST). The spacewalk begins at 12:10 UTC (7:10 a.m. EST) and lasts about 6 hours.