Digest Template: Category

Home

/

The extremely hot heart of quasar 3C273

Scientists combined telescopes on Earth and in space to learn that this famous quasar has a core temperature hotter than 10 trillion degrees! That's much hotter than formerly thought possible.

Deborah Byrd

March 30, 2016

Evolution insights from a walking cavefish

Fish evolved into the first land vertebrates 420 million years ago. Clues to that fins-to-limbs transformation may lie in a walking blind cavefish in Thailand.

Shireen Gonzaga

March 30, 2016

Oddball hot Jupiter has wildly eccentric orbit

Researchers have studied how the exoplanet’s temperature changes as it approaches, sweeps by, and moves away from its star.

Editors of EarthSky

March 29, 2016

Another record low for Arctic sea ice

At 5.6 million square miles, 2016 had the lowest winter sea ice maximum in the 37-year satellite record. It's slightly lower than the previous record, set last year.

Deborah Byrd

March 29, 2016

Pavlof Volcano in Alaska erupts

Huge ash plume caused airline re-routings. Falling ash, volcanic lightning and lava fountaining from summit. By Tuesday morning, eruption was declining.

Deborah Byrd

March 29, 2016

Could our sun emit killer superflare?

Solar eruptions from our sun are nothing compared to eruptions from some other stars - so-called 'superflares'. Two scientists say our sun could also be a superflare star.

EarthSky Voices

March 27, 2016

This is the earliest Easter until 2035

There are 35 dates on which Easter can take place. There won't be another one as early as today's Easter Sunday until 2035.

Bruce McClure

March 27, 2016

Closest comet in 246 years via radar

Record-breakingly close flybys of two comets earlier this week. Radar images of one, the closest comet in 246 years. Will the other be visible to the eye?

Eddie Irizarry

March 26, 2016