Like Earth, Mars is surrounded by an ionosphere—the part of its upper atmosphere where radiation from the sun knocks ...

On November 13, 2020, a pair of European Space Agency spacecraft—Mars Express and the ExoMars Trace Gas Orbiter—set out to gain a deeper understanding of the Martian ionosphere. Utilizing an advanced ...

The team also turned to other cameras orbiting Mars, such as the CaSSIS imager on ESA’s Trace Gas Orbiter and MRO’s HiRISE, to collect more color information in high resolution, as well as to monitor ...

This depiction shows the European Space Agency’s Mars Express (left) and ExoMars Trace Gas Orbiter (right) spacecraft taking a measurement over the Red Planet’s south pole on 13 November 2020.

Jezero Crater, once a lake bed some 3.5 billion years ago, has become the focus of NASA’s search for signs of past life. It’s ...

Sometimes, it's really hard to see the volcanoes for the rocks, especially if you're just a one-ton rover all alone in a ...

With its radical reshaping of NASA’s future by decimating its funding, the White House is imperiling the upcoming human ...

"We used data from the Mars Odyssey Orbiter, Mars Reconnaissance Orbiter, ExoMars Trace Gas Orbiter, and Perseverance Rover, all in combination to puzzle this out," Wray explains. A reconstruction of ...

Sarin (isopropyl methyl fluorophosphonate) is an organophosphorus nerve agent regulated by the Convention on the Banning of Chemical Weapons. It can enter the body through the respiratory system ...

The city of San Marcos posted on Facebook that a contractor hit a gas line during construction in the Trace neighborhood and that an evacuation notice had been issued for portions of the area throu… ...

IT之家 6 月 4 日消息，数百年来，科学家们一直想知道为什么火星是红色的。长期以来的理论认为，这颗行星的锈红色来自于赤铁矿（hematite），这是一种在干燥条件下形成的富含铁的矿物。然而，最新的研究提出了另一种可能性：水铁矿（ferrihydrite），一种在潮湿环境中形成的氢氧化氧铁氧化物矿物，可能是火星红色的真正来源。

The roadway will be closed starting at 2 p.m. to all traffic, including vehicles, bicycles and pedestrians, as construction crews work to repair failing areas of the parkway.