SDO sees a double eclipse

Cool video! On September 1, the Earth-orbiting Solar Dynamics Observatory caught both Earth and the moon crossing in front of the sun.

Philae comet lander … found!

With only a month left of the Rosetta mission, the Philae comet lander has been found wedged into a dark crack on Comet 67P/Churyumov–Gerasimenko.

A quasar Milky Way six million years ago?

As the first human ancestors walked the Earth, our galaxy's central black hole might have been in the process of blasting away most of the galaxy's normal matter.

Space X explosion at Cape Canaveral

No injuries in Thursday's explosion on a SpaceX launch pad at Cape Canaveral. But Facebook's planned satellite is no more.

New record for farthest galaxy cluster

A new record for the most distant galaxy cluster has been set. Astronomers say the cluster, 11.1 billion light-years away, might have been caught right after birth.

No alien signal, says SETI astronomer

A strong signal from a sunlike star sparked speculation this week that we might - at last - have heard from an alien civilization. Now astronomers say ... no.

Will Planet 9 spell doom for solar system?

No, not Nibiru. Theoretical astronomers describe how a hypothetical Planet 9 could hurtle Jupiter into interstellar space when the sun dies, billions of years from now.

Watch spacewalk live September 1

NASA TV will broadcast live coverage on Thursday of a 6.5-hour spacewalk by 2 astronauts aboard ISS. Coverage will start at 6:30 a.m. EDT (1030 UTC). The spacewalk will begin about 8 a.m. EDT (1200 UTC).

A galaxy made of 99.9% dark matter

Although it's relatively nearby, Dragonfly 44 was missed for decades by astronomers because it's very dim. But there's more to this galaxy than meets the eye.

Hours after discovery, asteroid swept by

Asteroid 2016 QA2 was twice as big as the space rock that entered over Russia in 2013, breaking windows in 6 Russian cities. It passed safely Saturday night.

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