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Don’t miss jaw-dropping Venus/Jupiter encounter
Venus and Jupiter are converging for a must-see close encounter at the end of June. It could be the best backyard sky show of 2015.
June 15, 2015
Cosmic ray observatory to explore hotspot
Utah scientists propose an expansion for their cosmic ray observatory, to speed up studies of a mysterious source of ultrahigh-energy cosmic rays.
June 15, 2015
Real Jurassic Park needs more than dinos
Yes, cloning long-extinct dinosaurs is impossible. But even if dinosaur genomes were available, the animals couldn’t simply be plopped anywhere.
June 15, 2015
Philae comet lander is awake!
Seven months after it lost contact with Earth, the Rosetta mission's Philae lander hibernating on comet 67P has woken up and tweeted, "Hello Earth!"
June 15, 2015
New map confirms 4 Milky Way arms
Although we can't see it from the outside, astronomers know our galaxy has an overall spiral structure. For years, they've been trying to pin down the number of Milky Way spiral arms. Now they say ... 4.
June 14, 2015
Lonely galaxy
NGC 6503 resides at the edge of a strangely empty patch of space called the Local Void.
June 14, 2015
Global warming hiatus never happened
Studies had suggested that global warming slowed or paused since 1998. More thorough research shows the global warming "hiatus" likely never happened.
June 12, 2015
Faces of Pluto emerge in new images
As the New Horizons spacecraft speeds closer to its July flight through the Pluto system, we're seeing an increasingly complex surface. Best views yet.
June 12, 2015
Noctilucent clouds and an aurora
Auroras stem from activity on the sun and so are seen when the sun has been active. Noctilucent clouds are seasonal, seen in late May through August each year.
June 12, 2015
