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New Insights into the Origin of Birds
Topic: Origin & Evolution of Life
Summary: A new study suggests that flight in birds arose through several evolutionary steps, which began to occur at least 20 million years before the first bird.

Volcanoes Contribute to Recent Warming 'Hiatus'
Topic: Climate
Summary: Volcanic eruptions in the early part of the 21st century have cooled the planet, according to a new study. This cooling partly offset the warming produced by greenhouse gases.

Oldest Bit of Crust Firms Up Idea of a Cool Early Earth
Topic: Earth
Summary: With the help of a tiny fragment of zircon extracted from a remote rock outcrop in Australia, the picture of how our planet became habitable to life about 4.4 billion years ago is coming into sharper focus.

Ask NASA Meteor Experts Your Questions
Topic: Meteorites, Comets and Asteroids
Summary: NASA meteor and fireball experts Dr. Bill Cooke, Danielle Moser and Rhiannon Blaauw will answer questions on beginning at 1 p.m. CST Thursday, March 6, on the Reddit "IAmA" forum.

NASA Researcher Finds Planet-Sized Space Weather Explosions at Venus
Topic: Venus
Summary: Researchers recently discovered that a common space weather phenomenon on the outskirts of Earth's magnetic bubble, the magnetosphere, has much larger repercussions for Venus.

Every Red Dwarf Star Has at Least One Planet
Topic: New Planets
Summary: Red Dwarfs make up about three quarters of all stars in the Universe. A new study indicates that virtually all of them might have orbiting planets.

Current Ice Melt Rate in Pine Island Glacier May Go On For Decades
Topic: Climate
Summary: New research shows that the Pine Island Glacier experienced rapid thinning about 8,000 years ago. The findings indicate that modern-day melting and thinning could last for several more decades or even centuries.

'Super-Earths' May Be Dead Worlds
Topic: Cosmic Evolution
Summary: New research suggests that planets that form from less massive cores can become benign habitats for life, whereas larger objects end up as ‘mini-Neptunes' with thick atmospheres and probably stay sterile.

Water is Detected in a Planet Outside Our Solar System
Topic: New Planets
Summary: Astronomers have used a new technique to identify water in the atmosphere of an extrasolar planet. The planet is a 'hot Jupiter' that orbits a nearby star named Tau Boötis.

Extreme Weather Decides Distribution of Insects
Topic: Climate
Summary: Extreme weather caused by climate change in the coming decades is likely to have profound implications for distributions of insects and other invertebrates.

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