Posts by 

Deborah Byrd

Mars oppositions 2010 – 2022

Here's why 2016 is an awesome year for Mars, and why 2018 will be even better.

New Hubble image of Mars

New Hubble Space Telescope image of Mars, in honor of the planet's May 22 opposition, when our planet Earth will sweep between the Red Planet and the sun.

New Horizons, heading out, spies 1994 JR1

New Horizons imaged this distant Kuiper Belt Object twice. It has learned its location and spin, and dispelled a theory that 1994 JR1 is a quasi-satellite of Pluto.

Tonight … nearly a Blue Moon

The moon - nearly full on May 20 - will be sweeping past Mars and Saturn this weekend.

Look for M13 in Hercules

M13 is a densely packed globular cluster made of about 300,000 stars, more than 25,000 light-years from Earth. It's one of our galaxies most ancient inhabitants.

Giant impacts typical for Earth-like worlds

An advanced computer simulation suggests that newly forming Earth-like worlds are likely to suffer a giant impact, like that thought to have created our moon.

Milky Way over the Outer Banks

Jeff Berkes captured this image earlier this month, during a night sky photography workshop.

Small blue galaxy offers Big Bang clues

This galaxy - nicknamed 'little lion' - contains the lowest level of heavy elements ever detected in a gravitationally bound system of stars.

How Earth’s magnetic field is changing

Data from a trio of satellites show rapid local changes in Earth's magnetic field. The cause is likely accelerations in the flow of liquid iron near Earth's core.

When will 2007 OR10 get a name?

2007 OR10 is now known as the third-largest dwarf planet. It's about a third smaller than Pluto. It's the largest unnamed body in our solar system.