Air and Space

Comet C/2017 K2 (PanSTARRS) will make its closest approach to earth in July. Here’s what to know and how you can best see it.

Ahead of International Asteroid Day (June 30), scientists have released new simulations that show NASA’s DART asteroid defense test could work better than previously indicated.

“Understanding how organisms here have changed with time and in different environments is going to teach us crucial things about how to search for and recognize life elsewhere,” one astrobiologist explained.

First available launch date in late August is still a possibility, NASA managers say.

Utah State University said the occupants were part of the school’s aviation program.

Over the past year, NASA’s Curiosity Mars rover captured stunningly clear images of the Red Planet’s diverse landscape.

The material from the experiment, including a vial with about 40 milligrams of moon dust and three cockroach carcasses, was expected to sell for at least $400,000.

Mercury, Venus, Mars, Jupiter and Saturn will stretch across the sky before sunrise in June

All it takes is a few minutes to set up a free account, and then you can become a planetary scientist from your computer or phone.

Sally Ride was part of NASA's first astronaut class to include women. Today, all astronaut classes are half women

SpaceX CEO Elon Musk in February said the Starship could launch from Texas for less than $10 million per flight within two or three years.

Michael Lowe spent 17 days in a crowded jail cell, alternating between sleeping on a concrete floor and a metal bunk. He had no idea why he was behind bars.