Trevor Walsh

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Could THIS huge asteroid on 'uncertain orbit' due to pass in weeks hit Earth?

51DEGREESNORTH•YouTubeThe asteroid is large enough to destroy a city<p>Most asteroid passes classed as "near-Earth" by Nasa fly by at millions of miles …

Asteroids

Special issue: Philae results shed light on the nature of comets

<i>This news release is available in Japanese.</i><p>During the first ever landing of a probe on a comet, the world held its breath as Philae survived a bouncy …

Philae lander shows there's more to comets than soft dust

The comet lander Philae may be uncommunicative at the moment, but the pictures and measurements it took after it touched down on a comet in November …

Philae lander data show comets could have brought 'building blocks of life' to Earth

Organic molecules that could have contributed to the chemical building blocks of life have been discovered under the icy surface of a comet, …

Space

Comets are less like floating rocks, and more like deep-fried ice cream

Comets have always fascinated scientists. Centuries ago it was their glowing tails streaking across skies, and now it is the tantalizing possibility that they may have seeded life on Earth.<p>To firm up these answers, it helps to understand the structure of these weird celestial bodies. In its most …

4 Things We Learned About Comets From The Busted Philae Lander

Landin' ain't easy<p>The little spacecraft that couldn’t quite land on a comet has nevertheless sent back a wealth of data. The Philae lander was supposed to become the first spacecraft to touch down on a comet in November, after a 10-year journey, but things didn't go as expected. The spacecraft …

'Trillion-Dollar Asteroid' Zooms by Earth as Scientists Watch (Video)

When an asteroid packed with about $5 trillion worth of platinum zoomed past Earth this month scientists were ready, capturing the space rock on …

‘Massive 1.2 Mile Wide Asteroid May Strike Earth in 2019′, Said NASA Before Changing Story Just 4 Days Later

Shockingly a massive 1.2 mile diameter asteroid named (89959) 2002 NT7 was in fact assigned a positive impact rating on the Palermo Technical Impact …

Helpful Tips For Nuking An Asteroid

Preparing for a worst-case scenario, scientists are stepping up research into the nuclear option.<p>“Did you see the movie <i>Deep Impact</i>?”<p>Yes, I did, I tell David Morrison, the chief scientist for the Planetary Defense Team at NASA's Ames Research Center. That’s the 1998 film where astronauts pilot a …

Space

Asteroid Miners Can Learn a Lot From Philae's Bumpy Landing

When Rosetta’s probe, Philae, landed on a comet last November, it had the opposite problem of pretty much every other landing in human history: too …

Space

Forget asteroids: Solar storm could 'cause apocalypse on Earth with just 12 hours warning'

GETTYThe next major round of solar storms is predicted for 2023<p>Modern technology that relies on satellites such as mobile phones, the internet, …

Asteroids

How Asteroids Could Fuel 'Gas Stations' In Outer Space

Preparing a mission for outer space is a little bit like getting ready to go camping.<p>If you don’t pack enough provisions for the whole trip, it’s going to be tough to make it back home.<p>But geologist Leslie Gertsch is hoping to change all that. She’s starting a lab at Missouri University of Science …

8 Giant Asteroids That Flew Uncomfortably Close to Earth

NASA just released images of a giant peanut-shaped asteroid that flew by our planet.<p>PCMag reviews products independently, but we may earn affiliate …

METEOR STRIKE: Widespread damage as 'large asteroid hits Earth'

Witnesses say a large fireball was seen in the sky before crashing in Avaj in the Qazvin province of the country.<p>Mohammad Ali Ahani, director of …

ESA to go >Armageddon

The European Space Agency plans to do what we repeatedly have seen unfold in movies. They will move an asteroid out of its original course.<p>The Space …

We're Planning to Shoot an Asteroid to See What Happens

What better way to understand how to deflect an incoming asteroid than to smash into one to see what happens?

A gentle nudge with a nuke: Deflecting Earth-bound asteroids

Armageddon is a bad model for saving Earth, but nukes might still be useful.<p>In 2013, a small asteroid exploded in the atmosphere over Chelyabinsk, …

Philae probe still talking to Earth from surface of comet, say Rosetta scientists

Europe’s robot lab Philae phoned home on Friday after several days’ silence in its journey towards the sun on the back of a comet and is “doing very well”, the German Aerospace Centre (DLR) said.<p>The latest contact lasted 19 minutes and is the third time Philae has touched base with Earth since it …

Space

Asteroid strikes are a threat, but space-based telescopes would reduce risk

The aim of Asteroid Day is to inform the public and raise awareness about the possibility that asteroids can collide with the Earth in the future. Today was chosen to highlight the risk because on the same day in 1908, a 30m object entered the atmosphere over a forested region in Siberia and …

Asteroids

Rosetta spots sinkholes, hints of interior caverns on comet 67P

Interior of comet might have the texture of Swiss cheese.<p>In August 2014, ESA made history when its Rosetta spacecraft became the first to orbit a …

Bringing Asteroids Down To Earth

While astrophysicists may be accustomed to parsing complex technical data about asteroids, your average stargazer often views that same data set as a discouraging roadblock.<p>It’s a bit of a catch-22: While dense data is hard for laypeople to analyze, it also holds immense potential for breakthrough …

Rosetta spacecraft spots enormous sinkholes on comet 67P

Cameras on the Rosetta spacecraft have spotted a series of enormous pits on comet 67P/Churyumov-Gerasimenko that plunge hundreds of metres down into the body’s cold interior.<p>Scientists on the mission believe the pits formed in the same way as sinkholes on Earth, which appear out of the blue when …

Space

Search for deadly asteroids must be accelerated to protect Earth, say experts

The search for deadly asteroids that could slam into Earth must be speeded up 100-fold to help protect the future of life on Earth, according to an influential group of scientists, astronauts and rock stars.<p>The call for action comes as experts around the world take part in Asteroid Day, an event on …

Asteroids

Philae: Rosetta comet lander's first science results.

The European Space Agency has just released some <i>fantastic</i> close-up images taken by the Philae lander of the comet 67P/Churyumov-Gerasimenko. This …