As we journey around the galaxy, our solar system might regularly interact with dark matter, which might dislodge Oort cloud comets and boost heat in Earth’s core.
Awesome images of Supernova 1987A, a colossal stellar explosion. Plus insights gained from study in the years since then.
Scholz’s star passed only 0.8 light-years from our sun, only 70,000 years ago. It came closer than any other known star, sweeping through the Oort comet cloud.
On February 20, 1962, John Glenn became the first American to orbit the Earth. He made three turns around the planet before returning safely.
Why Venus is so bright, plus dates for Venus at greatest brilliancy in 2015.
Amateur astronomers spotted them first, but they show up in Hubble images, too. Astronomers are scratching their heads, wondering these mystery plumes are.
It’s a fast-rendezvous, six-hour launch-to-dock mission to the International Space Station. Docking will occur later today. Online viewing details here.
New maps from Planck mission support theory of cosmic inflation, the idea that, in the moments following Big Bang, space expanded faster than the speed of light. George Efstathiou – a Planck mission leader – explains more to Kavli Institute’s Kelen Tuttle.
The private venture Mars One has announced its selection of 50 men and 50 women who will compete via reality TV for a one-way Mars trip, as early as 2024.
At the core of a galaxy called the Teacup, jets from a central supermassive black hole may be gradually destroying the galaxy’s ability to form new stars.