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NASA astronaut Christina Koch (right) poses for a portrait with fellow Expedition 61 Flight Engineer Jessica Meir of NASA who is inside a U.S. spacesuit for a fit check.

Astronauts Christina Koch, Jessica Meir Completed First All-Woman Spacewalk

At 2:55 p.m. EDT, Expedition 61 Flight Engineers Christina Koch and Jessica Meir of NASA concluded their spacewalk, the first with only women.
Scheduled to launch in February 2020, ESA’s (European Space Agency’s) Solar Orbiter spacecraft is shown in an illustration against the backdrop of an image of the Sun captured by NASA’s Solar Dynamics Observatory. Solar Orbiter will capture the very first images of the Sun’s polar regions. These images will provide key insights into the poorly-understood magnetic environment there, which helps drive the Sun’s 11-year cycle and its periodic outpouring of solar storms. Credits: ESA/ATG MediaLab/NASA

NASA is launching Solar Orbiter Spacecraft

The spacecraft will observe the Sun's atmosphere up close with high spatial resolution telescopes.
On 12 October 2019, the NASA/ESA Hubble Space Telescope observed Comet 2I/Borisov at a distance of approximately 420 million kilometres from Earth. The comet is believed to have arrived here from another planetary system elsewhere in our galaxy.

Hubble Observes New Interstellar Visitor

On 12 October 2019, the NASA/ESA Hubble Space Telescope provided astronomers with their best look yet at an interstellar visitor — Comet 2I/Borisov —...
It is possible to grow crops on Mars and Moon

It is possible to grow crops on Mars and Moon: Study

It would not only be possible to grow food on Mars and the Moon to feed future settlers, but also to obtain viable seed from crops grown there.
NASA's LRO performed second flyby over Vikram's landing site

NASA’s LRO performed second flyby over Vikram’s landing site

Continuing effort to locate Vikram lander.
NASA releases 3D map of the moon

NASA releases 3D map of the moon

Unveiling the topography of the Moon.
This illustration envisions the Milky Way galaxy's gas recycling above and below its stellar disk. Hubble observes the invisible gas clouds rising and falling with its sensitive Cosmic Origins Spectrograph (COS) instrument. The spectroscopic signature of the light from background quasars shining through the clouds gives information about their motion. Quasar light is redshifted in clouds shooting up and away from the galactic plane, while quasar light passing through gas falling back down appears blueshifted. This differentiation allows Hubble to conduct an accurate audit of the outflowing and inflowing gas in the Milky Way's busy halo — revealing an unexpected and so-far unexplained surplus of inflowing gas. Credits: NASA, ESA and D. Player (STScI)

An unexplained surplus of gas flowing into our home galaxy

The new gas could be coming from the intergalactic medium.
An illustration depicting the layers of the heliosphere. Credits: NASA/IBEX/Adler Planetarium

There is an unexpected pressure at the edge of the solar system

It was found to be greater than expected.
The network of cracks in this Martian rock slab called "Old Soaker" may have formed from the drying of a mud layer more than 3 billion years ago. The view spans about 3 feet (90 centimeters) left-to-right and combines three images taken by the MAHLI camera on the arm of NASA's Curiosity Mars rover. Credits: NASA/JPL-Caltech/MSSS

NASA’s Curiosity rover discovers ancient oasis on Mars

Mars could have sustained microbial life in the past.