ESA studies human hibernation for space travel

In movies and books, fictional astronauts enter ‘suspended animation’ to cross the vastness of space. Recently ESA investigated how real-life crew hibernation would impact a space mission to Mars.

Why Nile hasn’t changed course in 30 million years

Scientists say they’ve solved the geologic mystery of the Nile River’s unchanging path, and also discovered the river is about 30 million years old – 6 times older than previously believed.

Who knew? Plants ‘panic’ when it rains

Using a spray bottle to simulate rain, researchers found a “panic-like” response in plants. Complex chemical warning signals were passed from leaf to leaf and even communicated to other plants.

Will you see this week’s meteor outburst?

Lucky observers will likely catch a very brief outburst of alpha Monocerotid meteors this Thursday night (or Friday morning). Astronomers say the meteors will fall at a rate of 400 meteors per hour at the peak, or several meteors per minute. The key is … you’ve got to be at the right place, at exactly the right time.

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Curiosity’s ‘mind-boggling’ new Mars mystery: oxygen

Scientists are still trying to figure out where Mars’ methane comes from. Now there’s a new mystery that might be connected: unusual fluctuations of oxygen in Mars’ atmosphere, detected by the Curiosity rover.

Black hole hurls star out of Milky Way

Astronomers have spotted a star – S5-HVs1 – speeding out of the Milky Way at around 4 million miles (more than 6 million km) per hour. They believe it’s being ejected from our galaxy after venturing too near the giant black hole at the Milky Way’s heart about 5 million years ago.

Last quarter moon is November 19

The moon reaches its last quarter phase on November 19, 2019, at 21:11 UTC. In the coming week, watch for it to rise in the east in the hours after midnight, waning thinner each morning.

All you need to know: 2019’s Leonid meteor shower

2019’s Leonid meteor shower is expected to peak on the morning of November 18, though under the light of a waning gibbous moon. Charts, tips and details here.

Awesome nightscape photos from New Mexico’s Very Large Array

Observatories are great places to view and photograph the night sky. Tips from an astrophotographer’s trip to the Very Large Array in New Mexico – to help you plan your next astrophotography adventure – plus awesome photos.

Friday’s spacewalk is underway

Click in to learn how to watch 2 International Space Station astronauts perform the 1st in a series of spacewalks NASA is calling “the most complex in a decade.”

All you need to know: The famous Orion Nebula

The Orion Nebula is a place where new stars are being born. It can be glimpsed with the eye alone … and is even more noticeable with binoculars. How to find it in your sky tonight. Plus … the science of this star factory in space.

10 years 10 suns

From ESA’s Proba-2 satellite, images of the sun in January or February of each year from 2010 to 2019. This mosaic neatly shows the variability in the solar atmosphere in beautiful detail.

Ultima Thule renamed to avoid Nazi link

The distant Kuiper Belt object formerly known as 2014 MU69 – later known as Ultima Thule – has been renamed again. Its new name is Arrokoth.