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NASA is recruiting astronauts

Want to be an astronaut? NASA is seeking explorers for future space missions. Here's what it takes and how to apply.

Eleanor Imster

November 9, 2015

Amazing view across Mars’ Gale Crater

Another great glimpse of Mars - the world next door - from NASA's Curiosity rover.

Andrew R. Brown

November 9, 2015

Swift’s 1000th gamma-ray burst

This flash of gamma rays came at 6:41 p.m. EDT on October 27. Later, astronomers learned it had traveled toward Earth for 12 billion years.

Deborah Byrd

November 9, 2015

SETI seeks signal from mystery star

Star KIC 8462852 made headlines last month for having a possible alien megastructure. SETI team now seeking deliberate radio signal. None found yet.

Deborah Byrd

November 7, 2015

Solar wind likely stripped Martian atmosphere

Mars was once warm and wet, say scientists. But most of the water from its atmosphere was likely stripped away by solar winds.

Editors of EarthSky

November 6, 2015

Family portrait of Mars dust devils

A telescopic camera on a Mars orbiter caught these 8 dust devils in a single afternoon.

Deborah Byrd

November 6, 2015

Tune in to second spacewalk live November 6

If you missed last week’s spacewalk, here’s another chance. The same two ISS astronauts are performing their second spacewalk today (November 6, 2015), starting at 7:10 a.m. EST (1210 UTC).

Eleanor Imster

November 6, 2015

Whoa! That’s a big galaxy cluster

The cluster's mass is a quadrillion times that of our sun - making it the most massive known cluster that far back in space and time.

Eleanor Imster

Deborah Byrd

November 4, 2015

Peeling back layers of a warm Neptune

Astronomers have discovered an immense hydrogen cloud streaming off a Neptune-sized exoplanet. The planet's atmosphere is evaporating, say scientists.

Editors of EarthSky

November 3, 2015