25 Years Ago, NASA Envisioned Its Own ‘Orient Express’
By KENNETH CHANG The National Aero-Space Plane, which was to be able to circle the earth in 90 […]
Science
Comet Siding Spring Passes Mars
Yesterday, a comet passed very close to Mars. In fact, Comet C/2013 A1 (Siding Spring) passed closer to […]
The Malaria Fighter
By DONALD G. McNEIL Jr. Although he does nothing to court publicity, many call Rear Adm. Timothy Ziemer […]
In a Dome in Hawaii, a Mission to Mars
By KENNETH CHANG In a dome on a Hawaiian volcano, NASA is financing a study to see how […]
On Eagle’s Wings, a Revelation About Flight
By JAMES GORMAN A recent study shows that soaring birds deal with gusts by momentarily pulling in their […]
A Comet’s Brush With Mars
By AGENCE FRANCE-PRESSE A comet the size of a small mountain whizzed past Mars on Sunday, dazzling space […]
Comet McNaught Over New Zealand
Comet McNaught was perhaps the most photogenic comet of modern times — from Earth. After making quite a […]
Melotte 15 in the Heart
Cosmic clouds form fantastic shapes in the central regions of emission nebula IC 1805. The clouds are sculpted […]
When Herbivore Numbers Drop, Plants Lower Their Thorny Defenses
By SINDYA N. BHANOO Scientists studied trees in Kenya to try to determine what allows plants to thrive: […]
A Celestial Traveler Closes on Mars
By MARC KAUFMAN On its first visit to the inner solar system, Comet Siding Spring will pass within […]