Venus milestone on January 12

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At greatest elongation on January 12, 2017, Venus is as far from the sun as it will be for this evening apparition.

January 12, 2017

Huge iceberg set to break off Antarctica

An iceberg the size of Delaware is set to calve from Antarctica's Larsen C ice shelf. Only about 12 miles (19 km) still connect the ice chunk to the rest of the continent.

Eleanor Imster

January 11, 2017

Weak La Niña follows potent El Niño

A year ago, the equatorial Pacific was pulsing with heat, due to one of the most intense El Niños on record. But the current La Niña has been relatively quiet.

Eleanor Imster

January 11, 2017

Alaska’s Bogoslof volcano, from space

It started erupting explosively and unexpectedly in late 2016. This view is from January 3, from NASA's Terra satellite. As of yesterday, the eruptions were declining, but may start again!

Deborah Byrd

January 11, 2017

When does full moon happen for you?

Full moon is January 12, 2017 at 11:34 UTC. Fullest moon for you on the night of January 11 if you're in the Americas, and on January 12 if you're in Asia. In between? Either night will do!

Bruce McClure

January 11, 2017

NASA begins new astronaut sleep study

A new NASA study is investigating how different light intensities and spectra can be used to help regulate astronauts' patterns of alertness and sleep.

Eleanor Imster

January 10, 2017

Moon in 2017

Everything you want to know about the moon in 2017 - including phases, cycles, eclipses and supermoons - from world-renowned astronomer Fred Espenak.

Fred Espenak

January 10, 2017

Winter rainbow over Niagara Falls

Tony Lee said temps were in the 20s (around -7 Celsius) when he captured this shot.

Deborah Byrd

January 9, 2017

Hubble peers along Voyagers’ future paths

The Hubble Space Telescope is gazing along the future trajectories of the 2 Voyager spacecraft - launched in 1977 - now heading into uncharted interstellar space.

Deborah Byrd

January 8, 2017